172811080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{17491}}^1$

素因数の和:17534

約数の個数: 64

約数和(自身を含む): 440798400

約数和(自身を除く): 267987320

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 4940, 9880, 17491, 34982, 69964, 87455, 139928, 174910, 227383, 332329, 349820, 454766, 664658, 699640, 909532, 1136915, 1329316, 1661645, 1819064, 2273830, 2658632, 3323290, 4320277, 4547660, 6646580, 8640554, 9095320, 13293160, 17281108, 21601385, 34562216, 43202770, 86405540, 172811080]

約数ペア:

[(1, 172811080), (2, 86405540), (4, 43202770), (5, 34562216), (8, 21601385), (10, 17281108), (13, 13293160), (19, 9095320), (20, 8640554), (26, 6646580), (38, 4547660), (40, 4320277), (52, 3323290), (65, 2658632), (76, 2273830), (95, 1819064), (104, 1661645), (130, 1329316), (152, 1136915), (190, 909532), (247, 699640), (260, 664658), (380, 454766), (494, 349820), (520, 332329), (760, 227383), (988, 174910), (1235, 139928), (1976, 87455), (2470, 69964), (4940, 34982), (9880, 17491)]