31990470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{653}}^1$

素因数の和:757

約数の個数: 64

約数和(自身を含む): 81368064

約数和(自身を除く): 49377594

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 71, 115, 138, 142, 213, 230, 345, 355, 426, 653, 690, 710, 1065, 1306, 1633, 1959, 2130, 3265, 3266, 3918, 4899, 6530, 8165, 9795, 9798, 15019, 16330, 19590, 24495, 30038, 45057, 46363, 48990, 75095, 90114, 92726, 139089, 150190, 225285, 231815, 278178, 450570, 463630, 695445, 1066349, 1390890, 2132698, 3199047, 5331745, 6398094, 10663490, 15995235, 31990470]

約数ペア:

[(1, 31990470), (2, 15995235), (3, 10663490), (5, 6398094), (6, 5331745), (10, 3199047), (15, 2132698), (23, 1390890), (30, 1066349), (46, 695445), (69, 463630), (71, 450570), (115, 278178), (138, 231815), (142, 225285), (213, 150190), (230, 139089), (345, 92726), (355, 90114), (426, 75095), (653, 48990), (690, 46363), (710, 45057), (1065, 30038), (1306, 24495), (1633, 19590), (1959, 16330), (2130, 15019), (3265, 9798), (3266, 9795), (3918, 8165), (4899, 6530)]