638898840

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6361}}^1$

素因数の和:6415

約数の個数: 160

約数和(自身を含む): 2217029760

約数和(自身を除く): 1578130920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 31, 36, 40, 45, 54, 60, 62, 72, 81, 90, 93, 108, 120, 124, 135, 155, 162, 180, 186, 216, 248, 270, 279, 310, 324, 360, 372, 405, 465, 540, 558, 620, 648, 744, 810, 837, 930, 1080, 1116, 1240, 1395, 1620, 1674, 1860, 2232, 2511, 2790, 3240, 3348, 3720, 4185, 5022, 5580, 6361, 6696, 8370, 10044, 11160, 12555, 12722, 16740, 19083, 20088, 25110, 25444, 31805, 33480, 38166, 50220, 50888, 57249, 63610, 76332, 95415, 100440, 114498, 127220, 152664, 171747, 190830, 197191, 228996, 254440, 286245, 343494, 381660, 394382, 457992, 515241, 572490, 591573, 686988, 763320, 788764, 858735, 985955, 1030482, 1144980, 1183146, 1373976, 1577528, 1717470, 1774719, 1971910, 2060964, 2289960, 2366292, 2576205, 2957865, 3434940, 3549438, 3943820, 4121928, 4732584, 5152410, 5324157, 5915730, 6869880, 7098876, 7887640, 8873595, 10304820, 10648314, 11831460, 14197752, 15972471, 17747190, 20609640, 21296628, 23662920, 26620785, 31944942, 35494380, 42593256, 53241570, 63889884, 70988760, 79862355, 106483140, 127779768, 159724710, 212966280, 319449420, 638898840]

約数ペア:

[(1, 638898840), (2, 319449420), (3, 212966280), (4, 159724710), (5, 127779768), (6, 106483140), (8, 79862355), (9, 70988760), (10, 63889884), (12, 53241570), (15, 42593256), (18, 35494380), (20, 31944942), (24, 26620785), (27, 23662920), (30, 21296628), (31, 20609640), (36, 17747190), (40, 15972471), (45, 14197752), (54, 11831460), (60, 10648314), (62, 10304820), (72, 8873595), (81, 7887640), (90, 7098876), (93, 6869880), (108, 5915730), (120, 5324157), (124, 5152410), (135, 4732584), (155, 4121928), (162, 3943820), (180, 3549438), (186, 3434940), (216, 2957865), (248, 2576205), (270, 2366292), (279, 2289960), (310, 2060964), (324, 1971910), (360, 1774719), (372, 1717470), (405, 1577528), (465, 1373976), (540, 1183146), (558, 1144980), (620, 1030482), (648, 985955), (744, 858735), (810, 788764), (837, 763320), (930, 686988), (1080, 591573), (1116, 572490), (1240, 515241), (1395, 457992), (1620, 394382), (1674, 381660), (1860, 343494), (2232, 286245), (2511, 254440), (2790, 228996), (3240, 197191), (3348, 190830), (3720, 171747), (4185, 152664), (5022, 127220), (5580, 114498), (6361, 100440), (6696, 95415), (8370, 76332), (10044, 63610), (11160, 57249), (12555, 50888), (12722, 50220), (16740, 38166), (19083, 33480), (20088, 31805), (25110, 25444)]