318380940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{4547}}^1$

素因数の和:4951

約数の個数: 72

約数和(自身を含む): 968451120

約数和(自身を除く): 650070180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 389, 778, 1167, 1556, 1945, 2334, 3501, 3890, 4547, 4668, 5835, 7002, 7780, 9094, 11670, 13641, 14004, 17505, 18188, 22735, 23340, 27282, 35010, 40923, 45470, 54564, 68205, 70020, 81846, 90940, 136410, 163692, 204615, 272820, 409230, 818460, 1768783, 3537566, 5306349, 7075132, 8843915, 10612698, 15919047, 17687830, 21225396, 26531745, 31838094, 35375660, 53063490, 63676188, 79595235, 106126980, 159190470, 318380940]

約数ペア:

[(1, 318380940), (2, 159190470), (3, 106126980), (4, 79595235), (5, 63676188), (6, 53063490), (9, 35375660), (10, 31838094), (12, 26531745), (15, 21225396), (18, 17687830), (20, 15919047), (30, 10612698), (36, 8843915), (45, 7075132), (60, 5306349), (90, 3537566), (180, 1768783), (389, 818460), (778, 409230), (1167, 272820), (1556, 204615), (1945, 163692), (2334, 136410), (3501, 90940), (3890, 81846), (4547, 70020), (4668, 68205), (5835, 54564), (7002, 45470), (7780, 40923), (9094, 35010), (11670, 27282), (13641, 23340), (14004, 22735), (17505, 18188)]