27581940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4943}}^1$

素因数の和:4989

約数の個数: 72

約数和(自身を含む): 86381568

約数和(自身を除く): 58799628

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 4943, 5580, 9886, 14829, 19772, 24715, 29658, 44487, 49430, 59316, 74145, 88974, 98860, 148290, 153233, 177948, 222435, 296580, 306466, 444870, 459699, 612932, 766165, 889740, 919398, 1379097, 1532330, 1838796, 2298495, 2758194, 3064660, 4596990, 5516388, 6895485, 9193980, 13790970, 27581940]

約数ペア:

[(1, 27581940), (2, 13790970), (3, 9193980), (4, 6895485), (5, 5516388), (6, 4596990), (9, 3064660), (10, 2758194), (12, 2298495), (15, 1838796), (18, 1532330), (20, 1379097), (30, 919398), (31, 889740), (36, 766165), (45, 612932), (60, 459699), (62, 444870), (90, 306466), (93, 296580), (124, 222435), (155, 177948), (180, 153233), (186, 148290), (279, 98860), (310, 88974), (372, 74145), (465, 59316), (558, 49430), (620, 44487), (930, 29658), (1116, 24715), (1395, 19772), (1860, 14829), (2790, 9886), (4943, 5580)]