101807720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{317}}^1$

素因数の和:403

約数の個数: 128

約数和(自身を含む): 278415360

約数和(自身を除く): 176607640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 37, 40, 56, 62, 70, 74, 124, 140, 148, 155, 185, 217, 248, 259, 280, 296, 310, 317, 370, 434, 518, 620, 634, 740, 868, 1036, 1085, 1147, 1240, 1268, 1295, 1480, 1585, 1736, 2072, 2170, 2219, 2294, 2536, 2590, 3170, 4340, 4438, 4588, 5180, 5735, 6340, 8029, 8680, 8876, 9176, 9827, 10360, 11095, 11470, 11729, 12680, 16058, 17752, 19654, 22190, 22940, 23458, 32116, 39308, 40145, 44380, 45880, 46916, 49135, 58645, 64232, 68789, 78616, 80290, 82103, 88760, 93832, 98270, 117290, 137578, 160580, 164206, 196540, 234580, 275156, 321160, 328412, 343945, 363599, 393080, 410515, 469160, 550312, 656824, 687890, 727198, 821030, 1375780, 1454396, 1642060, 1817995, 2545193, 2751560, 2908792, 3284120, 3635990, 5090386, 7271980, 10180772, 12725965, 14543960, 20361544, 25451930, 50903860, 101807720]

約数ペア:

[(1, 101807720), (2, 50903860), (4, 25451930), (5, 20361544), (7, 14543960), (8, 12725965), (10, 10180772), (14, 7271980), (20, 5090386), (28, 3635990), (31, 3284120), (35, 2908792), (37, 2751560), (40, 2545193), (56, 1817995), (62, 1642060), (70, 1454396), (74, 1375780), (124, 821030), (140, 727198), (148, 687890), (155, 656824), (185, 550312), (217, 469160), (248, 410515), (259, 393080), (280, 363599), (296, 343945), (310, 328412), (317, 321160), (370, 275156), (434, 234580), (518, 196540), (620, 164206), (634, 160580), (740, 137578), (868, 117290), (1036, 98270), (1085, 93832), (1147, 88760), (1240, 82103), (1268, 80290), (1295, 78616), (1480, 68789), (1585, 64232), (1736, 58645), (2072, 49135), (2170, 46916), (2219, 45880), (2294, 44380), (2536, 40145), (2590, 39308), (3170, 32116), (4340, 23458), (4438, 22940), (4588, 22190), (5180, 19654), (5735, 17752), (6340, 16058), (8029, 12680), (8680, 11729), (8876, 11470), (9176, 11095), (9827, 10360)]