128025040

素因数分解:

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

素因数の和:106

約数の個数: 240

約数和(自身を含む): 380975616

約数和(自身を除く): 252950576

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, 208, 209, 220, 247, 248, 260, 286, 304, 310, 341, 361, 380, 403, 418, 440, 494, 496, 520, 572, 589, 620, 682, 715, 722, 760, 806, 836, 880, 988, 1040, 1045, 1144, 1178, 1235, 1240, 1364, 1430, 1444, 1520, 1612, 1672, 1705, 1805, 1976, 2015, 2090, 2288, 2356, 2470, 2480, 2717, 2728, 2860, 2888, 2945, 3224, 3344, 3410, 3610, 3952, 3971, 4030, 4180, 4433, 4693, 4712, 4940, 5434, 5456, 5720, 5776, 5890, 6448, 6479, 6820, 7220, 7657, 7942, 8060, 8360, 8866, 9386, 9424, 9880, 10868, 11191, 11440, 11780, 12958, 13585, 13640, 14440, 15314, 15884, 16120, 16720, 17732, 18772, 19760, 19855, 21736, 22165, 22382, 23465, 23560, 25916, 27170, 27280, 28880, 30628, 31768, 32240, 32395, 35464, 37544, 38285, 39710, 43472, 44330, 44764, 46930, 47120, 51623, 51832, 54340, 55955, 61256, 63536, 64790, 70928, 75088, 76570, 79420, 84227, 88660, 89528, 93860, 103246, 103664, 108680, 111910, 122512, 123101, 129580, 145483, 153140, 158840, 168454, 177320, 179056, 187720, 206492, 217360, 223820, 246202, 258115, 259160, 290966, 306280, 317680, 336908, 354640, 375440, 412984, 421135, 447640, 492404, 516230, 518320, 581932, 612560, 615505, 673816, 727415, 825968, 842270, 895280, 984808, 1032460, 1163864, 1231010, 1347632, 1454830, 1600313, 1684540, 1969616, 2064920, 2327728, 2462020, 2909660, 3200626, 3369080, 4129840, 4924040, 5819320, 6401252, 6738160, 8001565, 9848080, 11638640, 12802504, 16003130, 25605008, 32006260, 64012520, 128025040]

約数ペア:

[(1, 128025040), (2, 64012520), (4, 32006260), (5, 25605008), (8, 16003130), (10, 12802504), (11, 11638640), (13, 9848080), (16, 8001565), (19, 6738160), (20, 6401252), (22, 5819320), (26, 4924040), (31, 4129840), (38, 3369080), (40, 3200626), (44, 2909660), (52, 2462020), (55, 2327728), (62, 2064920), (65, 1969616), (76, 1684540), (80, 1600313), (88, 1454830), (95, 1347632), (104, 1231010), (110, 1163864), (124, 1032460), (130, 984808), (143, 895280), (152, 842270), (155, 825968), (176, 727415), (190, 673816), (208, 615505), (209, 612560), (220, 581932), (247, 518320), (248, 516230), (260, 492404), (286, 447640), (304, 421135), (310, 412984), (341, 375440), (361, 354640), (380, 336908), (403, 317680), (418, 306280), (440, 290966), (494, 259160), (496, 258115), (520, 246202), (572, 223820), (589, 217360), (620, 206492), (682, 187720), (715, 179056), (722, 177320), (760, 168454), (806, 158840), (836, 153140), (880, 145483), (988, 129580), (1040, 123101), (1045, 122512), (1144, 111910), (1178, 108680), (1235, 103664), (1240, 103246), (1364, 93860), (1430, 89528), (1444, 88660), (1520, 84227), (1612, 79420), (1672, 76570), (1705, 75088), (1805, 70928), (1976, 64790), (2015, 63536), (2090, 61256), (2288, 55955), (2356, 54340), (2470, 51832), (2480, 51623), (2717, 47120), (2728, 46930), (2860, 44764), (2888, 44330), (2945, 43472), (3224, 39710), (3344, 38285), (3410, 37544), (3610, 35464), (3952, 32395), (3971, 32240), (4030, 31768), (4180, 30628), (4433, 28880), (4693, 27280), (4712, 27170), (4940, 25916), (5434, 23560), (5456, 23465), (5720, 22382), (5776, 22165), (5890, 21736), (6448, 19855), (6479, 19760), (6820, 18772), (7220, 17732), (7657, 16720), (7942, 16120), (8060, 15884), (8360, 15314), (8866, 14440), (9386, 13640), (9424, 13585), (9880, 12958), (10868, 11780), (11191, 11440)]