31551390

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:219

約数の個数: 128

約数和(自身を含む): 92534400

約数和(自身を除く): 60983010

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 89, 90, 101, 117, 130, 135, 178, 195, 202, 234, 267, 270, 303, 351, 390, 445, 505, 534, 585, 606, 702, 801, 890, 909, 1010, 1157, 1170, 1313, 1335, 1515, 1602, 1755, 1818, 2314, 2403, 2626, 2670, 2727, 3030, 3471, 3510, 3939, 4005, 4545, 4806, 5454, 5785, 6565, 6942, 7878, 8010, 8989, 9090, 10413, 11570, 11817, 12015, 13130, 13635, 17355, 17978, 19695, 20826, 23634, 24030, 26967, 27270, 31239, 34710, 35451, 39390, 44945, 52065, 53934, 59085, 62478, 70902, 80901, 89890, 104130, 116857, 118170, 134835, 156195, 161802, 177255, 233714, 242703, 269670, 312390, 350571, 354510, 404505, 485406, 584285, 701142, 809010, 1051713, 1168570, 1213515, 1752855, 2103426, 2427030, 3155139, 3505710, 5258565, 6310278, 10517130, 15775695, 31551390]

約数ペア:

[(1, 31551390), (2, 15775695), (3, 10517130), (5, 6310278), (6, 5258565), (9, 3505710), (10, 3155139), (13, 2427030), (15, 2103426), (18, 1752855), (26, 1213515), (27, 1168570), (30, 1051713), (39, 809010), (45, 701142), (54, 584285), (65, 485406), (78, 404505), (89, 354510), (90, 350571), (101, 312390), (117, 269670), (130, 242703), (135, 233714), (178, 177255), (195, 161802), (202, 156195), (234, 134835), (267, 118170), (270, 116857), (303, 104130), (351, 89890), (390, 80901), (445, 70902), (505, 62478), (534, 59085), (585, 53934), (606, 52065), (702, 44945), (801, 39390), (890, 35451), (909, 34710), (1010, 31239), (1157, 27270), (1170, 26967), (1313, 24030), (1335, 23634), (1515, 20826), (1602, 19695), (1755, 17978), (1818, 17355), (2314, 13635), (2403, 13130), (2626, 12015), (2670, 11817), (2727, 11570), (3030, 10413), (3471, 9090), (3510, 8989), (3939, 8010), (4005, 7878), (4545, 6942), (4806, 6565), (5454, 5785)]