1286988560

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1$

素因数の和:278

約数の個数: 320

約数和(自身を含む): 3839754240

約数和(自身を除く): 2552765680

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 19, 20, 22, 26, 31, 38, 40, 44, 52, 55, 62, 65, 76, 80, 88, 95, 104, 110, 124, 130, 143, 152, 155, 176, 190, 191, 208, 209, 220, 247, 248, 260, 286, 304, 310, 341, 380, 382, 403, 418, 440, 494, 496, 520, 572, 589, 620, 682, 715, 760, 764, 806, 836, 880, 955, 988, 1040, 1045, 1144, 1178, 1235, 1240, 1364, 1430, 1520, 1528, 1612, 1672, 1705, 1910, 1976, 2015, 2090, 2101, 2288, 2356, 2470, 2480, 2483, 2717, 2728, 2860, 2945, 3056, 3224, 3344, 3410, 3629, 3820, 3952, 4030, 4180, 4202, 4433, 4712, 4940, 4966, 5434, 5456, 5720, 5890, 5921, 6448, 6479, 6820, 7258, 7640, 7657, 8060, 8360, 8404, 8866, 9424, 9880, 9932, 10505, 10868, 11440, 11780, 11842, 12415, 12958, 13585, 13640, 14516, 15280, 15314, 16120, 16720, 16808, 17732, 18145, 19760, 19864, 21010, 21736, 22165, 23560, 23684, 24830, 25916, 27170, 27280, 27313, 29032, 29605, 30628, 32240, 32395, 33616, 35464, 36290, 38285, 39728, 39919, 42020, 43472, 44330, 47120, 47177, 47368, 49660, 51832, 54340, 54626, 58064, 59210, 61256, 64790, 65131, 70928, 72580, 76570, 76973, 79838, 84040, 84227, 88660, 94354, 94736, 99320, 103664, 108680, 109252, 112499, 118420, 122512, 129580, 130262, 136565, 145160, 153140, 153946, 159676, 168080, 168454, 177320, 188708, 198640, 199595, 217360, 218504, 224998, 235885, 236840, 259160, 260524, 273130, 290320, 306280, 307892, 319352, 325655, 336908, 354640, 377416, 384865, 399190, 421135, 437008, 449996, 471770, 473680, 518320, 518947, 521048, 546260, 562495, 612560, 615784, 638704, 651310, 673816, 754832, 769730, 798380, 842270, 846703, 899992, 943540, 1037894, 1042096, 1092520, 1124990, 1231568, 1237489, 1302620, 1347632, 1462487, 1539460, 1596760, 1684540, 1693406, 1799984, 1887080, 2075788, 2185040, 2249980, 2474978, 2594735, 2605240, 2924974, 3078920, 3193520, 3369080, 3386812, 3774160, 4151576, 4233515, 4499960, 4949956, 5189470, 5210480, 5849948, 6157840, 6187445, 6738160, 6773624, 7312435, 8303152, 8467030, 8999920, 9899912, 10378940, 11699896, 12374890, 13547248, 14624870, 16087357, 16934060, 19799824, 20757880, 23399792, 24749780, 29249740, 32174714, 33868120, 41515760, 49499560, 58499480, 64349428, 67736240, 80436785, 98999120, 116998960, 128698856, 160873570, 257397712, 321747140, 643494280, 1286988560]

約数ペア:

[(1, 1286988560), (2, 643494280), (4, 321747140), (5, 257397712), (8, 160873570), (10, 128698856), (11, 116998960), (13, 98999120), (16, 80436785), (19, 67736240), (20, 64349428), (22, 58499480), (26, 49499560), (31, 41515760), (38, 33868120), (40, 32174714), (44, 29249740), (52, 24749780), (55, 23399792), (62, 20757880), (65, 19799824), (76, 16934060), (80, 16087357), (88, 14624870), (95, 13547248), (104, 12374890), (110, 11699896), (124, 10378940), (130, 9899912), (143, 8999920), (152, 8467030), (155, 8303152), (176, 7312435), (190, 6773624), (191, 6738160), (208, 6187445), (209, 6157840), (220, 5849948), (247, 5210480), (248, 5189470), (260, 4949956), (286, 4499960), (304, 4233515), (310, 4151576), (341, 3774160), (380, 3386812), (382, 3369080), (403, 3193520), (418, 3078920), (440, 2924974), (494, 2605240), (496, 2594735), (520, 2474978), (572, 2249980), (589, 2185040), (620, 2075788), (682, 1887080), (715, 1799984), (760, 1693406), (764, 1684540), (806, 1596760), (836, 1539460), (880, 1462487), (955, 1347632), (988, 1302620), (1040, 1237489), (1045, 1231568), (1144, 1124990), (1178, 1092520), (1235, 1042096), (1240, 1037894), (1364, 943540), (1430, 899992), (1520, 846703), (1528, 842270), (1612, 798380), (1672, 769730), (1705, 754832), (1910, 673816), (1976, 651310), (2015, 638704), (2090, 615784), (2101, 612560), (2288, 562495), (2356, 546260), (2470, 521048), (2480, 518947), (2483, 518320), (2717, 473680), (2728, 471770), (2860, 449996), (2945, 437008), (3056, 421135), (3224, 399190), (3344, 384865), (3410, 377416), (3629, 354640), (3820, 336908), (3952, 325655), (4030, 319352), (4180, 307892), (4202, 306280), (4433, 290320), (4712, 273130), (4940, 260524), (4966, 259160), (5434, 236840), (5456, 235885), (5720, 224998), (5890, 218504), (5921, 217360), (6448, 199595), (6479, 198640), (6820, 188708), (7258, 177320), (7640, 168454), (7657, 168080), (8060, 159676), (8360, 153946), (8404, 153140), (8866, 145160), (9424, 136565), (9880, 130262), (9932, 129580), (10505, 122512), (10868, 118420), (11440, 112499), (11780, 109252), (11842, 108680), (12415, 103664), (12958, 99320), (13585, 94736), (13640, 94354), (14516, 88660), (15280, 84227), (15314, 84040), (16120, 79838), (16720, 76973), (16808, 76570), (17732, 72580), (18145, 70928), (19760, 65131), (19864, 64790), (21010, 61256), (21736, 59210), (22165, 58064), (23560, 54626), (23684, 54340), (24830, 51832), (25916, 49660), (27170, 47368), (27280, 47177), (27313, 47120), (29032, 44330), (29605, 43472), (30628, 42020), (32240, 39919), (32395, 39728), (33616, 38285), (35464, 36290)]