917875280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1429}}^1$

素因数の和:1517

約数の個数: 160

約数和(自身を含む): 2587453440

約数和(自身を除く): 1669578160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 37, 40, 56, 62, 70, 74, 80, 112, 124, 140, 148, 155, 185, 217, 248, 259, 280, 296, 310, 370, 434, 496, 518, 560, 592, 620, 740, 868, 1036, 1085, 1147, 1240, 1295, 1429, 1480, 1736, 2072, 2170, 2294, 2480, 2590, 2858, 2960, 3472, 4144, 4340, 4588, 5180, 5716, 5735, 7145, 8029, 8680, 9176, 10003, 10360, 11432, 11470, 14290, 16058, 17360, 18352, 20006, 20720, 22864, 22940, 28580, 32116, 40012, 40145, 44299, 45880, 50015, 52873, 57160, 64232, 80024, 80290, 88598, 91760, 100030, 105746, 114320, 128464, 160048, 160580, 177196, 200060, 211492, 221495, 264365, 310093, 321160, 354392, 370111, 400120, 422984, 442990, 528730, 620186, 642320, 708784, 740222, 800240, 845968, 885980, 1057460, 1240372, 1480444, 1550465, 1639063, 1771960, 1850555, 2114920, 2480744, 2960888, 3100930, 3278126, 3543920, 3701110, 4229840, 4961488, 5921776, 6201860, 6556252, 7402220, 8195315, 11473441, 12403720, 13112504, 14804440, 16390630, 22946882, 24807440, 26225008, 29608880, 32781260, 45893764, 57367205, 65562520, 91787528, 114734410, 131125040, 183575056, 229468820, 458937640, 917875280]

約数ペア:

[(1, 917875280), (2, 458937640), (4, 229468820), (5, 183575056), (7, 131125040), (8, 114734410), (10, 91787528), (14, 65562520), (16, 57367205), (20, 45893764), (28, 32781260), (31, 29608880), (35, 26225008), (37, 24807440), (40, 22946882), (56, 16390630), (62, 14804440), (70, 13112504), (74, 12403720), (80, 11473441), (112, 8195315), (124, 7402220), (140, 6556252), (148, 6201860), (155, 5921776), (185, 4961488), (217, 4229840), (248, 3701110), (259, 3543920), (280, 3278126), (296, 3100930), (310, 2960888), (370, 2480744), (434, 2114920), (496, 1850555), (518, 1771960), (560, 1639063), (592, 1550465), (620, 1480444), (740, 1240372), (868, 1057460), (1036, 885980), (1085, 845968), (1147, 800240), (1240, 740222), (1295, 708784), (1429, 642320), (1480, 620186), (1736, 528730), (2072, 442990), (2170, 422984), (2294, 400120), (2480, 370111), (2590, 354392), (2858, 321160), (2960, 310093), (3472, 264365), (4144, 221495), (4340, 211492), (4588, 200060), (5180, 177196), (5716, 160580), (5735, 160048), (7145, 128464), (8029, 114320), (8680, 105746), (9176, 100030), (10003, 91760), (10360, 88598), (11432, 80290), (11470, 80024), (14290, 64232), (16058, 57160), (17360, 52873), (18352, 50015), (20006, 45880), (20720, 44299), (22864, 40145), (22940, 40012), (28580, 32116)]