378045180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{29581}}^1$

素因数の和:29667

約数の個数: 72

約数和(自身を含む): 1162927584

約数和(自身を除く): 784882404

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4260, 6390, 12780, 29581, 59162, 88743, 118324, 147905, 177486, 266229, 295810, 354972, 443715, 532458, 591620, 887430, 1064916, 1331145, 1774860, 2100251, 2662290, 4200502, 5324580, 6300753, 8401004, 10501255, 12601506, 18902259, 21002510, 25203012, 31503765, 37804518, 42005020, 63007530, 75609036, 94511295, 126015060, 189022590, 378045180]

約数ペア:

[(1, 378045180), (2, 189022590), (3, 126015060), (4, 94511295), (5, 75609036), (6, 63007530), (9, 42005020), (10, 37804518), (12, 31503765), (15, 25203012), (18, 21002510), (20, 18902259), (30, 12601506), (36, 10501255), (45, 8401004), (60, 6300753), (71, 5324580), (90, 4200502), (142, 2662290), (180, 2100251), (213, 1774860), (284, 1331145), (355, 1064916), (426, 887430), (639, 591620), (710, 532458), (852, 443715), (1065, 354972), (1278, 295810), (1420, 266229), (2130, 177486), (2556, 147905), (3195, 118324), (4260, 88743), (6390, 59162), (12780, 29581)]