172843020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{137177}}^1$

素因数の和:137199

約数の個数: 72

約数和(自身を含む): 599193504

約数和(自身を除く): 426350484

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 137177, 274354, 411531, 548708, 685885, 823062, 960239, 1234593, 1371770, 1646124, 1920478, 2057655, 2469186, 2743540, 2880717, 3840956, 4115310, 4801195, 4938372, 5761434, 6172965, 8230620, 8642151, 9602390, 11522868, 12345930, 14403585, 17284302, 19204780, 24691860, 28807170, 34568604, 43210755, 57614340, 86421510, 172843020]

約数ペア:

[(1, 172843020), (2, 86421510), (3, 57614340), (4, 43210755), (5, 34568604), (6, 28807170), (7, 24691860), (9, 19204780), (10, 17284302), (12, 14403585), (14, 12345930), (15, 11522868), (18, 9602390), (20, 8642151), (21, 8230620), (28, 6172965), (30, 5761434), (35, 4938372), (36, 4801195), (42, 4115310), (45, 3840956), (60, 2880717), (63, 2743540), (70, 2469186), (84, 2057655), (90, 1920478), (105, 1646124), (126, 1371770), (140, 1234593), (180, 960239), (210, 823062), (252, 685885), (315, 548708), (420, 411531), (630, 274354), (1260, 137177)]