31615740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{229}}^1$

素因数の和:316

約数の個数: 144

約数和(自身を含む): 105487200

約数和(自身を除く): 73871460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 59, 60, 65, 78, 90, 117, 118, 130, 156, 177, 180, 195, 229, 234, 236, 260, 295, 354, 390, 458, 468, 531, 585, 590, 687, 708, 767, 780, 885, 916, 1062, 1145, 1170, 1180, 1374, 1534, 1770, 2061, 2124, 2290, 2301, 2340, 2655, 2748, 2977, 3068, 3435, 3540, 3835, 4122, 4580, 4602, 5310, 5954, 6870, 6903, 7670, 8244, 8931, 9204, 10305, 10620, 11505, 11908, 13511, 13740, 13806, 14885, 15340, 17862, 20610, 23010, 26793, 27022, 27612, 29770, 34515, 35724, 40533, 41220, 44655, 46020, 53586, 54044, 59540, 67555, 69030, 81066, 89310, 107172, 121599, 133965, 135110, 138060, 162132, 175643, 178620, 202665, 243198, 267930, 270220, 351286, 405330, 486396, 526929, 535860, 607995, 702572, 810660, 878215, 1053858, 1215990, 1580787, 1756430, 2107716, 2431980, 2634645, 3161574, 3512860, 5269290, 6323148, 7903935, 10538580, 15807870, 31615740]

約数ペア:

[(1, 31615740), (2, 15807870), (3, 10538580), (4, 7903935), (5, 6323148), (6, 5269290), (9, 3512860), (10, 3161574), (12, 2634645), (13, 2431980), (15, 2107716), (18, 1756430), (20, 1580787), (26, 1215990), (30, 1053858), (36, 878215), (39, 810660), (45, 702572), (52, 607995), (59, 535860), (60, 526929), (65, 486396), (78, 405330), (90, 351286), (117, 270220), (118, 267930), (130, 243198), (156, 202665), (177, 178620), (180, 175643), (195, 162132), (229, 138060), (234, 135110), (236, 133965), (260, 121599), (295, 107172), (354, 89310), (390, 81066), (458, 69030), (468, 67555), (531, 59540), (585, 54044), (590, 53586), (687, 46020), (708, 44655), (767, 41220), (780, 40533), (885, 35724), (916, 34515), (1062, 29770), (1145, 27612), (1170, 27022), (1180, 26793), (1374, 23010), (1534, 20610), (1770, 17862), (2061, 15340), (2124, 14885), (2290, 13806), (2301, 13740), (2340, 13511), (2655, 11908), (2748, 11505), (2977, 10620), (3068, 10305), (3435, 9204), (3540, 8931), (3835, 8244), (4122, 7670), (4580, 6903), (4602, 6870), (5310, 5954)]