1520805750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{439}}^1$

素因数の和:639

約数の個数: 128

約数和(自身を含む): 3953664000

約数和(自身を除く): 2432858250

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 31, 50, 62, 75, 93, 125, 149, 150, 155, 186, 250, 298, 310, 375, 439, 447, 465, 745, 750, 775, 878, 894, 930, 1317, 1490, 1550, 2195, 2235, 2325, 2634, 3725, 3875, 4390, 4470, 4619, 4650, 6585, 7450, 7750, 9238, 10975, 11175, 11625, 13170, 13609, 13857, 18625, 21950, 22350, 23095, 23250, 27218, 27714, 32925, 37250, 40827, 46190, 54875, 55875, 65411, 65850, 68045, 69285, 81654, 109750, 111750, 115475, 130822, 136090, 138570, 164625, 196233, 204135, 230950, 327055, 329250, 340225, 346425, 392466, 408270, 577375, 654110, 680450, 692850, 981165, 1020675, 1154750, 1635275, 1701125, 1732125, 1962330, 2027741, 2041350, 3270550, 3402250, 3464250, 4055482, 4905825, 5103375, 6083223, 8176375, 9811650, 10138705, 10206750, 12166446, 16352750, 20277410, 24529125, 30416115, 49058250, 50693525, 60832230, 101387050, 152080575, 253467625, 304161150, 506935250, 760402875, 1520805750]

約数ペア:

[(1, 1520805750), (2, 760402875), (3, 506935250), (5, 304161150), (6, 253467625), (10, 152080575), (15, 101387050), (25, 60832230), (30, 50693525), (31, 49058250), (50, 30416115), (62, 24529125), (75, 20277410), (93, 16352750), (125, 12166446), (149, 10206750), (150, 10138705), (155, 9811650), (186, 8176375), (250, 6083223), (298, 5103375), (310, 4905825), (375, 4055482), (439, 3464250), (447, 3402250), (465, 3270550), (745, 2041350), (750, 2027741), (775, 1962330), (878, 1732125), (894, 1701125), (930, 1635275), (1317, 1154750), (1490, 1020675), (1550, 981165), (2195, 692850), (2235, 680450), (2325, 654110), (2634, 577375), (3725, 408270), (3875, 392466), (4390, 346425), (4470, 340225), (4619, 329250), (4650, 327055), (6585, 230950), (7450, 204135), (7750, 196233), (9238, 164625), (10975, 138570), (11175, 136090), (11625, 130822), (13170, 115475), (13609, 111750), (13857, 109750), (18625, 81654), (21950, 69285), (22350, 68045), (23095, 65850), (23250, 65411), (27218, 55875), (27714, 54875), (32925, 46190), (37250, 40827)]