780799240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{307}}^1$

素因数の和:471

約数の個数: 128

約数和(自身を含む): 1952818560

約数和(自身を除く): 1172019320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 67, 73, 104, 130, 134, 146, 260, 268, 292, 307, 335, 365, 520, 536, 584, 614, 670, 730, 871, 949, 1228, 1340, 1460, 1535, 1742, 1898, 2456, 2680, 2920, 3070, 3484, 3796, 3991, 4355, 4745, 4891, 6140, 6968, 7592, 7982, 8710, 9490, 9782, 12280, 15964, 17420, 18980, 19564, 19955, 20569, 22411, 24455, 31928, 34840, 37960, 39128, 39910, 41138, 44822, 48910, 63583, 79820, 82276, 89644, 97820, 102845, 112055, 127166, 159640, 164552, 179288, 195640, 205690, 224110, 254332, 267397, 291343, 317915, 411380, 448220, 508664, 534794, 582686, 635830, 822760, 896440, 1069588, 1165372, 1271660, 1336985, 1456715, 1501537, 2139176, 2330744, 2543320, 2673970, 2913430, 3003074, 5347940, 5826860, 6006148, 7507685, 10695880, 11653720, 12012296, 15015370, 19519981, 30030740, 39039962, 60061480, 78079924, 97599905, 156159848, 195199810, 390399620, 780799240]

約数ペア:

[(1, 780799240), (2, 390399620), (4, 195199810), (5, 156159848), (8, 97599905), (10, 78079924), (13, 60061480), (20, 39039962), (26, 30030740), (40, 19519981), (52, 15015370), (65, 12012296), (67, 11653720), (73, 10695880), (104, 7507685), (130, 6006148), (134, 5826860), (146, 5347940), (260, 3003074), (268, 2913430), (292, 2673970), (307, 2543320), (335, 2330744), (365, 2139176), (520, 1501537), (536, 1456715), (584, 1336985), (614, 1271660), (670, 1165372), (730, 1069588), (871, 896440), (949, 822760), (1228, 635830), (1340, 582686), (1460, 534794), (1535, 508664), (1742, 448220), (1898, 411380), (2456, 317915), (2680, 291343), (2920, 267397), (3070, 254332), (3484, 224110), (3796, 205690), (3991, 195640), (4355, 179288), (4745, 164552), (4891, 159640), (6140, 127166), (6968, 112055), (7592, 102845), (7982, 97820), (8710, 89644), (9490, 82276), (9782, 79820), (12280, 63583), (15964, 48910), (17420, 44822), (18980, 41138), (19564, 39910), (19955, 39128), (20569, 37960), (22411, 34840), (24455, 31928)]