87790140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{15733}}^1$

素因数の和:15779

約数の個数: 72

約数和(自身を含む): 274904448

約数和(自身を除く): 187114308

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, 5580, 15733, 31466, 47199, 62932, 78665, 94398, 141597, 157330, 188796, 235995, 283194, 314660, 471990, 487723, 566388, 707985, 943980, 975446, 1415970, 1463169, 1950892, 2438615, 2831940, 2926338, 4389507, 4877230, 5852676, 7315845, 8779014, 9754460, 14631690, 17558028, 21947535, 29263380, 43895070, 87790140]

約数ペア:

[(1, 87790140), (2, 43895070), (3, 29263380), (4, 21947535), (5, 17558028), (6, 14631690), (9, 9754460), (10, 8779014), (12, 7315845), (15, 5852676), (18, 4877230), (20, 4389507), (30, 2926338), (31, 2831940), (36, 2438615), (45, 1950892), (60, 1463169), (62, 1415970), (90, 975446), (93, 943980), (124, 707985), (155, 566388), (180, 487723), (186, 471990), (279, 314660), (310, 283194), (372, 235995), (465, 188796), (558, 157330), (620, 141597), (930, 94398), (1116, 78665), (1395, 62932), (1860, 47199), (2790, 31466), (5580, 15733)]