127926760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:231

約数の個数: 128

約数和(自身を含む): 326541600

約数和(自身を除く): 198614840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 61, 65, 74, 104, 109, 122, 130, 148, 185, 218, 244, 260, 296, 305, 370, 436, 481, 488, 520, 545, 610, 740, 793, 872, 962, 1090, 1220, 1417, 1480, 1586, 1924, 2180, 2257, 2405, 2440, 2834, 3172, 3848, 3965, 4033, 4360, 4514, 4810, 5668, 6344, 6649, 7085, 7930, 8066, 9028, 9620, 11285, 11336, 13298, 14170, 15860, 16132, 18056, 19240, 20165, 22570, 26596, 28340, 29341, 31720, 32264, 33245, 40330, 45140, 52429, 53192, 56680, 58682, 66490, 80660, 86437, 90280, 104858, 117364, 132980, 146705, 161320, 172874, 209716, 234728, 246013, 262145, 265960, 293410, 345748, 419432, 432185, 492026, 524290, 586820, 691496, 864370, 984052, 1048580, 1173640, 1230065, 1728740, 1968104, 2097160, 2460130, 3198169, 3457480, 4920260, 6396338, 9840520, 12792676, 15990845, 25585352, 31981690, 63963380, 127926760]

約数ペア:

[(1, 127926760), (2, 63963380), (4, 31981690), (5, 25585352), (8, 15990845), (10, 12792676), (13, 9840520), (20, 6396338), (26, 4920260), (37, 3457480), (40, 3198169), (52, 2460130), (61, 2097160), (65, 1968104), (74, 1728740), (104, 1230065), (109, 1173640), (122, 1048580), (130, 984052), (148, 864370), (185, 691496), (218, 586820), (244, 524290), (260, 492026), (296, 432185), (305, 419432), (370, 345748), (436, 293410), (481, 265960), (488, 262145), (520, 246013), (545, 234728), (610, 209716), (740, 172874), (793, 161320), (872, 146705), (962, 132980), (1090, 117364), (1220, 104858), (1417, 90280), (1480, 86437), (1586, 80660), (1924, 66490), (2180, 58682), (2257, 56680), (2405, 53192), (2440, 52429), (2834, 45140), (3172, 40330), (3848, 33245), (3965, 32264), (4033, 31720), (4360, 29341), (4514, 28340), (4810, 26596), (5668, 22570), (6344, 20165), (6649, 19240), (7085, 18056), (7930, 16132), (8066, 15860), (9028, 14170), (9620, 13298), (11285, 11336)]