256050080

素因数分解:

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

素因数の和:108

約数の個数: 288

約数和(自身を含む): 774240768

約数和(自身を除く): 518190688

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 19, 20, 22, 26, 31, 32, 38, 40, 44, 52, 55, 62, 65, 76, 80, 88, 95, 104, 110, 124, 130, 143, 152, 155, 160, 176, 190, 208, 209, 220, 247, 248, 260, 286, 304, 310, 341, 352, 361, 380, 403, 416, 418, 440, 494, 496, 520, 572, 589, 608, 620, 682, 715, 722, 760, 806, 836, 880, 988, 992, 1040, 1045, 1144, 1178, 1235, 1240, 1364, 1430, 1444, 1520, 1612, 1672, 1705, 1760, 1805, 1976, 2015, 2080, 2090, 2288, 2356, 2470, 2480, 2717, 2728, 2860, 2888, 2945, 3040, 3224, 3344, 3410, 3610, 3952, 3971, 4030, 4180, 4433, 4576, 4693, 4712, 4940, 4960, 5434, 5456, 5720, 5776, 5890, 6448, 6479, 6688, 6820, 7220, 7657, 7904, 7942, 8060, 8360, 8866, 9386, 9424, 9880, 10868, 10912, 11191, 11440, 11552, 11780, 12896, 12958, 13585, 13640, 14440, 15314, 15884, 16120, 16720, 17732, 18772, 18848, 19760, 19855, 21736, 22165, 22382, 22880, 23465, 23560, 25916, 27170, 27280, 28880, 30628, 31768, 32240, 32395, 33440, 35464, 37544, 38285, 39520, 39710, 43472, 44330, 44764, 46930, 47120, 51623, 51832, 54340, 54560, 55955, 57760, 61256, 63536, 64480, 64790, 70928, 75088, 76570, 79420, 84227, 86944, 88660, 89528, 93860, 94240, 103246, 103664, 108680, 111910, 122512, 123101, 127072, 129580, 141856, 145483, 150176, 153140, 158840, 168454, 177320, 179056, 187720, 206492, 207328, 217360, 223820, 245024, 246202, 258115, 259160, 290966, 306280, 317680, 336908, 354640, 358112, 375440, 412984, 421135, 434720, 447640, 492404, 516230, 518320, 581932, 612560, 615505, 635360, 673816, 709280, 727415, 750880, 825968, 842270, 895280, 984808, 1032460, 1036640, 1163864, 1225120, 1231010, 1347632, 1454830, 1600313, 1651936, 1684540, 1790560, 1969616, 2064920, 2327728, 2462020, 2695264, 2909660, 3200626, 3369080, 3939232, 4129840, 4655456, 4924040, 5819320, 6401252, 6738160, 8001565, 8259680, 9848080, 11638640, 12802504, 13476320, 16003130, 19696160, 23277280, 25605008, 32006260, 51210016, 64012520, 128025040, 256050080]

約数ペア:

[(1, 256050080), (2, 128025040), (4, 64012520), (5, 51210016), (8, 32006260), (10, 25605008), (11, 23277280), (13, 19696160), (16, 16003130), (19, 13476320), (20, 12802504), (22, 11638640), (26, 9848080), (31, 8259680), (32, 8001565), (38, 6738160), (40, 6401252), (44, 5819320), (52, 4924040), (55, 4655456), (62, 4129840), (65, 3939232), (76, 3369080), (80, 3200626), (88, 2909660), (95, 2695264), (104, 2462020), (110, 2327728), (124, 2064920), (130, 1969616), (143, 1790560), (152, 1684540), (155, 1651936), (160, 1600313), (176, 1454830), (190, 1347632), (208, 1231010), (209, 1225120), (220, 1163864), (247, 1036640), (248, 1032460), (260, 984808), (286, 895280), (304, 842270), (310, 825968), (341, 750880), (352, 727415), (361, 709280), (380, 673816), (403, 635360), (416, 615505), (418, 612560), (440, 581932), (494, 518320), (496, 516230), (520, 492404), (572, 447640), (589, 434720), (608, 421135), (620, 412984), (682, 375440), (715, 358112), (722, 354640), (760, 336908), (806, 317680), (836, 306280), (880, 290966), (988, 259160), (992, 258115), (1040, 246202), (1045, 245024), (1144, 223820), (1178, 217360), (1235, 207328), (1240, 206492), (1364, 187720), (1430, 179056), (1444, 177320), (1520, 168454), (1612, 158840), (1672, 153140), (1705, 150176), (1760, 145483), (1805, 141856), (1976, 129580), (2015, 127072), (2080, 123101), (2090, 122512), (2288, 111910), (2356, 108680), (2470, 103664), (2480, 103246), (2717, 94240), (2728, 93860), (2860, 89528), (2888, 88660), (2945, 86944), (3040, 84227), (3224, 79420), (3344, 76570), (3410, 75088), (3610, 70928), (3952, 64790), (3971, 64480), (4030, 63536), (4180, 61256), (4433, 57760), (4576, 55955), (4693, 54560), (4712, 54340), (4940, 51832), (4960, 51623), (5434, 47120), (5456, 46930), (5720, 44764), (5776, 44330), (5890, 43472), (6448, 39710), (6479, 39520), (6688, 38285), (6820, 37544), (7220, 35464), (7657, 33440), (7904, 32395), (7942, 32240), (8060, 31768), (8360, 30628), (8866, 28880), (9386, 27280), (9424, 27170), (9880, 25916), (10868, 23560), (10912, 23465), (11191, 22880), (11440, 22382), (11552, 22165), (11780, 21736), (12896, 19855), (12958, 19760), (13585, 18848), (13640, 18772), (14440, 17732), (15314, 16720), (15884, 16120)]