31454640

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{79}}^2$

素因数の和:184

約数の個数: 180

約数和(自身を含む): 122273424

約数和(自身を除く): 90818784

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 79, 80, 84, 90, 105, 112, 120, 126, 140, 144, 158, 168, 180, 210, 237, 240, 252, 280, 315, 316, 336, 360, 395, 420, 474, 504, 553, 560, 630, 632, 711, 720, 790, 840, 948, 1008, 1106, 1185, 1260, 1264, 1422, 1580, 1659, 1680, 1896, 2212, 2370, 2520, 2765, 2844, 3160, 3318, 3555, 3792, 4424, 4740, 4977, 5040, 5530, 5688, 6241, 6320, 6636, 7110, 8295, 8848, 9480, 9954, 11060, 11376, 12482, 13272, 14220, 16590, 18723, 18960, 19908, 22120, 24885, 24964, 26544, 28440, 31205, 33180, 37446, 39816, 43687, 44240, 49770, 49928, 56169, 56880, 62410, 66360, 74892, 79632, 87374, 93615, 99540, 99856, 112338, 124820, 131061, 132720, 149784, 174748, 187230, 199080, 218435, 224676, 249640, 262122, 280845, 299568, 349496, 374460, 393183, 398160, 436870, 449352, 499280, 524244, 561690, 655305, 698992, 748920, 786366, 873740, 898704, 1048488, 1123380, 1310610, 1497840, 1572732, 1747480, 1965915, 2096976, 2246760, 2621220, 3145464, 3494960, 3931830, 4493520, 5242440, 6290928, 7863660, 10484880, 15727320, 31454640]

約数ペア:

[(1, 31454640), (2, 15727320), (3, 10484880), (4, 7863660), (5, 6290928), (6, 5242440), (7, 4493520), (8, 3931830), (9, 3494960), (10, 3145464), (12, 2621220), (14, 2246760), (15, 2096976), (16, 1965915), (18, 1747480), (20, 1572732), (21, 1497840), (24, 1310610), (28, 1123380), (30, 1048488), (35, 898704), (36, 873740), (40, 786366), (42, 748920), (45, 698992), (48, 655305), (56, 561690), (60, 524244), (63, 499280), (70, 449352), (72, 436870), (79, 398160), (80, 393183), (84, 374460), (90, 349496), (105, 299568), (112, 280845), (120, 262122), (126, 249640), (140, 224676), (144, 218435), (158, 199080), (168, 187230), (180, 174748), (210, 149784), (237, 132720), (240, 131061), (252, 124820), (280, 112338), (315, 99856), (316, 99540), (336, 93615), (360, 87374), (395, 79632), (420, 74892), (474, 66360), (504, 62410), (553, 56880), (560, 56169), (630, 49928), (632, 49770), (711, 44240), (720, 43687), (790, 39816), (840, 37446), (948, 33180), (1008, 31205), (1106, 28440), (1185, 26544), (1260, 24964), (1264, 24885), (1422, 22120), (1580, 19908), (1659, 18960), (1680, 18723), (1896, 16590), (2212, 14220), (2370, 13272), (2520, 12482), (2765, 11376), (2844, 11060), (3160, 9954), (3318, 9480), (3555, 8848), (3792, 8295), (4424, 7110), (4740, 6636), (4977, 6320), (5040, 6241), (5530, 5688)]