1541501720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{727}}^1$

素因数の和:889

約数の個数: 128

約数和(自身を含む): 3899750400

約数和(自身を除く): 2358248680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 61, 79, 88, 110, 122, 158, 220, 244, 305, 316, 395, 440, 488, 610, 632, 671, 727, 790, 869, 1220, 1342, 1454, 1580, 1738, 2440, 2684, 2908, 3160, 3355, 3476, 3635, 4345, 4819, 5368, 5816, 6710, 6952, 7270, 7997, 8690, 9638, 13420, 14540, 15994, 17380, 19276, 24095, 26840, 29080, 31988, 34760, 38552, 39985, 44347, 48190, 53009, 57433, 63976, 79970, 88694, 96380, 106018, 114866, 159940, 177388, 192760, 212036, 221735, 229732, 265045, 287165, 319880, 354776, 424072, 443470, 459464, 487817, 530090, 574330, 631763, 886940, 975634, 1060180, 1148660, 1263526, 1773880, 1951268, 2120360, 2297320, 2439085, 2527052, 3158815, 3503413, 3902536, 4878170, 5054104, 6317630, 7006826, 9756340, 12635260, 14013652, 17517065, 19512680, 25270520, 28027304, 35034130, 38537543, 70068260, 77075086, 140136520, 154150172, 192687715, 308300344, 385375430, 770750860, 1541501720]

約数ペア:

[(1, 1541501720), (2, 770750860), (4, 385375430), (5, 308300344), (8, 192687715), (10, 154150172), (11, 140136520), (20, 77075086), (22, 70068260), (40, 38537543), (44, 35034130), (55, 28027304), (61, 25270520), (79, 19512680), (88, 17517065), (110, 14013652), (122, 12635260), (158, 9756340), (220, 7006826), (244, 6317630), (305, 5054104), (316, 4878170), (395, 3902536), (440, 3503413), (488, 3158815), (610, 2527052), (632, 2439085), (671, 2297320), (727, 2120360), (790, 1951268), (869, 1773880), (1220, 1263526), (1342, 1148660), (1454, 1060180), (1580, 975634), (1738, 886940), (2440, 631763), (2684, 574330), (2908, 530090), (3160, 487817), (3355, 459464), (3476, 443470), (3635, 424072), (4345, 354776), (4819, 319880), (5368, 287165), (5816, 265045), (6710, 229732), (6952, 221735), (7270, 212036), (7997, 192760), (8690, 177388), (9638, 159940), (13420, 114866), (14540, 106018), (15994, 96380), (17380, 88694), (19276, 79970), (24095, 63976), (26840, 57433), (29080, 53009), (31988, 48190), (34760, 44347), (38552, 39985)]