864227920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{18341}}^1$

素因数の和:18404

約数の個数: 80

約数和(自身を含む): 2183431680

約数和(自身を除く): 1319203760

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 190, 248, 304, 310, 380, 496, 589, 620, 760, 1178, 1240, 1520, 2356, 2480, 2945, 4712, 5890, 9424, 11780, 18341, 23560, 36682, 47120, 73364, 91705, 146728, 183410, 293456, 348479, 366820, 568571, 696958, 733640, 1137142, 1393916, 1467280, 1742395, 2274284, 2787832, 2842855, 3484790, 4548568, 5575664, 5685710, 6969580, 9097136, 10802849, 11371420, 13939160, 21605698, 22742840, 27878320, 43211396, 45485680, 54014245, 86422792, 108028490, 172845584, 216056980, 432113960, 864227920]

約数ペア:

[(1, 864227920), (2, 432113960), (4, 216056980), (5, 172845584), (8, 108028490), (10, 86422792), (16, 54014245), (19, 45485680), (20, 43211396), (31, 27878320), (38, 22742840), (40, 21605698), (62, 13939160), (76, 11371420), (80, 10802849), (95, 9097136), (124, 6969580), (152, 5685710), (155, 5575664), (190, 4548568), (248, 3484790), (304, 2842855), (310, 2787832), (380, 2274284), (496, 1742395), (589, 1467280), (620, 1393916), (760, 1137142), (1178, 733640), (1240, 696958), (1520, 568571), (2356, 366820), (2480, 348479), (2945, 293456), (4712, 183410), (5890, 146728), (9424, 91705), (11780, 73364), (18341, 47120), (23560, 36682)]