161749630

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{569}}^1$

素因数の和:745

約数の個数: 64

約数和(自身を含む): 346705920

約数和(自身を除く): 184956290

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 131, 155, 217, 262, 310, 434, 569, 655, 917, 1085, 1138, 1310, 1834, 2170, 2845, 3983, 4061, 4585, 5690, 7966, 8122, 9170, 17639, 19915, 20305, 28427, 35278, 39830, 40610, 56854, 74539, 88195, 123473, 142135, 149078, 176390, 246946, 284270, 372695, 521773, 617365, 745390, 1043546, 1234730, 2310709, 2608865, 4621418, 5217730, 11553545, 16174963, 23107090, 32349926, 80874815, 161749630]

約数ペア:

[(1, 161749630), (2, 80874815), (5, 32349926), (7, 23107090), (10, 16174963), (14, 11553545), (31, 5217730), (35, 4621418), (62, 2608865), (70, 2310709), (131, 1234730), (155, 1043546), (217, 745390), (262, 617365), (310, 521773), (434, 372695), (569, 284270), (655, 246946), (917, 176390), (1085, 149078), (1138, 142135), (1310, 123473), (1834, 88195), (2170, 74539), (2845, 56854), (3983, 40610), (4061, 39830), (4585, 35278), (5690, 28427), (7966, 20305), (8122, 19915), (9170, 17639)]