136288640

素因数分解:

$2^7\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3491}}^1$

素因数の和:3571

約数の個数: 64

約数和(自身を含む): 331251120

約数和(自身を除く): 194962480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 305, 320, 488, 610, 640, 976, 1220, 1952, 2440, 3491, 3904, 4880, 6982, 7808, 9760, 13964, 17455, 19520, 27928, 34910, 39040, 55856, 69820, 111712, 139640, 212951, 223424, 279280, 425902, 446848, 558560, 851804, 1064755, 1117120, 1703608, 2129510, 2234240, 3407216, 4259020, 6814432, 8518040, 13628864, 17036080, 27257728, 34072160, 68144320, 136288640]

約数ペア:

[(1, 136288640), (2, 68144320), (4, 34072160), (5, 27257728), (8, 17036080), (10, 13628864), (16, 8518040), (20, 6814432), (32, 4259020), (40, 3407216), (61, 2234240), (64, 2129510), (80, 1703608), (122, 1117120), (128, 1064755), (160, 851804), (244, 558560), (305, 446848), (320, 425902), (488, 279280), (610, 223424), (640, 212951), (976, 139640), (1220, 111712), (1952, 69820), (2440, 55856), (3491, 39040), (3904, 34910), (4880, 27928), (6982, 19520), (7808, 17455), (9760, 13964)]