31396260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{181}}^1$

素因数の和:266

約数の個数: 144

約数和(自身を含む): 104569920

約数和(自身を除く): 73173660

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 59, 60, 70, 84, 98, 105, 118, 140, 147, 177, 181, 196, 210, 236, 245, 294, 295, 354, 362, 413, 420, 490, 543, 588, 590, 708, 724, 735, 826, 885, 905, 980, 1086, 1180, 1239, 1267, 1470, 1652, 1770, 1810, 2065, 2172, 2478, 2534, 2715, 2891, 2940, 3540, 3620, 3801, 4130, 4956, 5068, 5430, 5782, 6195, 6335, 7602, 8260, 8673, 8869, 10679, 10860, 11564, 12390, 12670, 14455, 15204, 17346, 17738, 19005, 21358, 24780, 25340, 26607, 28910, 32037, 34692, 35476, 38010, 42716, 43365, 44345, 53214, 53395, 57820, 64074, 74753, 76020, 86730, 88690, 106428, 106790, 128148, 133035, 149506, 160185, 173460, 177380, 213580, 224259, 266070, 299012, 320370, 373765, 448518, 523271, 532140, 640740, 747530, 897036, 1046542, 1121295, 1495060, 1569813, 2093084, 2242590, 2616355, 3139626, 4485180, 5232710, 6279252, 7849065, 10465420, 15698130, 31396260]

約数ペア:

[(1, 31396260), (2, 15698130), (3, 10465420), (4, 7849065), (5, 6279252), (6, 5232710), (7, 4485180), (10, 3139626), (12, 2616355), (14, 2242590), (15, 2093084), (20, 1569813), (21, 1495060), (28, 1121295), (30, 1046542), (35, 897036), (42, 747530), (49, 640740), (59, 532140), (60, 523271), (70, 448518), (84, 373765), (98, 320370), (105, 299012), (118, 266070), (140, 224259), (147, 213580), (177, 177380), (181, 173460), (196, 160185), (210, 149506), (236, 133035), (245, 128148), (294, 106790), (295, 106428), (354, 88690), (362, 86730), (413, 76020), (420, 74753), (490, 64074), (543, 57820), (588, 53395), (590, 53214), (708, 44345), (724, 43365), (735, 42716), (826, 38010), (885, 35476), (905, 34692), (980, 32037), (1086, 28910), (1180, 26607), (1239, 25340), (1267, 24780), (1470, 21358), (1652, 19005), (1770, 17738), (1810, 17346), (2065, 15204), (2172, 14455), (2478, 12670), (2534, 12390), (2715, 11564), (2891, 10860), (2940, 10679), (3540, 8869), (3620, 8673), (3801, 8260), (4130, 7602), (4956, 6335), (5068, 6195), (5430, 5782)]