318205890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{389}}^1$

素因数の和:612

約数の個数: 96

約数和(自身を含む): 848718000

約数和(自身を除く): 530512110

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 61, 90, 122, 149, 183, 298, 305, 366, 389, 447, 549, 610, 745, 778, 894, 915, 1098, 1167, 1341, 1490, 1830, 1945, 2235, 2334, 2682, 2745, 3501, 3890, 4470, 5490, 5835, 6705, 7002, 9089, 11670, 13410, 17505, 18178, 23729, 27267, 35010, 45445, 47458, 54534, 57961, 71187, 81801, 90890, 115922, 118645, 136335, 142374, 163602, 173883, 213561, 237290, 272670, 289805, 347766, 355935, 409005, 427122, 521649, 579610, 711870, 818010, 869415, 1043298, 1067805, 1738830, 2135610, 2608245, 3535621, 5216490, 7071242, 10606863, 17678105, 21213726, 31820589, 35356210, 53034315, 63641178, 106068630, 159102945, 318205890]

約数ペア:

[(1, 318205890), (2, 159102945), (3, 106068630), (5, 63641178), (6, 53034315), (9, 35356210), (10, 31820589), (15, 21213726), (18, 17678105), (30, 10606863), (45, 7071242), (61, 5216490), (90, 3535621), (122, 2608245), (149, 2135610), (183, 1738830), (298, 1067805), (305, 1043298), (366, 869415), (389, 818010), (447, 711870), (549, 579610), (610, 521649), (745, 427122), (778, 409005), (894, 355935), (915, 347766), (1098, 289805), (1167, 272670), (1341, 237290), (1490, 213561), (1830, 173883), (1945, 163602), (2235, 142374), (2334, 136335), (2682, 118645), (2745, 115922), (3501, 90890), (3890, 81801), (4470, 71187), (5490, 57961), (5835, 54534), (6705, 47458), (7002, 45445), (9089, 35010), (11670, 27267), (13410, 23729), (17505, 18178)]