420505020

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{487}}^1$

素因数の和:562

約数の個数: 240

約数和(自身を含む): 1458249408

約数和(自身を除く): 1037744388

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 41, 45, 52, 54, 60, 65, 78, 81, 82, 90, 108, 117, 123, 130, 135, 156, 162, 164, 180, 195, 205, 234, 246, 260, 270, 324, 351, 369, 390, 405, 410, 468, 487, 492, 533, 540, 585, 615, 702, 738, 780, 810, 820, 974, 1053, 1066, 1107, 1170, 1230, 1404, 1461, 1476, 1599, 1620, 1755, 1845, 1948, 2106, 2132, 2214, 2340, 2435, 2460, 2665, 2922, 3198, 3321, 3510, 3690, 4212, 4383, 4428, 4797, 4870, 5265, 5330, 5535, 5844, 6331, 6396, 6642, 7020, 7305, 7380, 7995, 8766, 9594, 9740, 10530, 10660, 11070, 12662, 13149, 13284, 14391, 14610, 15990, 16605, 17532, 18993, 19188, 19967, 21060, 21915, 22140, 23985, 25324, 26298, 28782, 29220, 31655, 31980, 33210, 37986, 39447, 39934, 43173, 43830, 47970, 52596, 56979, 57564, 59901, 63310, 65745, 66420, 71955, 75972, 78894, 79868, 86346, 87660, 94965, 95940, 99835, 113958, 119802, 126620, 131490, 143910, 157788, 170937, 172692, 179703, 189930, 197235, 199670, 215865, 227916, 239604, 259571, 262980, 284895, 287820, 299505, 341874, 359406, 379860, 394470, 399340, 431730, 512811, 519142, 539109, 569790, 599010, 683748, 718812, 778713, 788940, 854685, 863460, 898515, 1025622, 1038284, 1078218, 1139580, 1198020, 1297855, 1557426, 1617327, 1709370, 1797030, 2051244, 2156436, 2336139, 2564055, 2595710, 2695545, 3114852, 3234654, 3418740, 3594060, 3893565, 4672278, 5128110, 5191420, 5391090, 6469308, 7008417, 7787130, 8086635, 9344556, 10256220, 10782180, 11680695, 14016834, 15574260, 16173270, 21025251, 23361390, 28033668, 32346540, 35042085, 42050502, 46722780, 70084170, 84101004, 105126255, 140168340, 210252510, 420505020]

約数ペア:

[(1, 420505020), (2, 210252510), (3, 140168340), (4, 105126255), (5, 84101004), (6, 70084170), (9, 46722780), (10, 42050502), (12, 35042085), (13, 32346540), (15, 28033668), (18, 23361390), (20, 21025251), (26, 16173270), (27, 15574260), (30, 14016834), (36, 11680695), (39, 10782180), (41, 10256220), (45, 9344556), (52, 8086635), (54, 7787130), (60, 7008417), (65, 6469308), (78, 5391090), (81, 5191420), (82, 5128110), (90, 4672278), (108, 3893565), (117, 3594060), (123, 3418740), (130, 3234654), (135, 3114852), (156, 2695545), (162, 2595710), (164, 2564055), (180, 2336139), (195, 2156436), (205, 2051244), (234, 1797030), (246, 1709370), (260, 1617327), (270, 1557426), (324, 1297855), (351, 1198020), (369, 1139580), (390, 1078218), (405, 1038284), (410, 1025622), (468, 898515), (487, 863460), (492, 854685), (533, 788940), (540, 778713), (585, 718812), (615, 683748), (702, 599010), (738, 569790), (780, 539109), (810, 519142), (820, 512811), (974, 431730), (1053, 399340), (1066, 394470), (1107, 379860), (1170, 359406), (1230, 341874), (1404, 299505), (1461, 287820), (1476, 284895), (1599, 262980), (1620, 259571), (1755, 239604), (1845, 227916), (1948, 215865), (2106, 199670), (2132, 197235), (2214, 189930), (2340, 179703), (2435, 172692), (2460, 170937), (2665, 157788), (2922, 143910), (3198, 131490), (3321, 126620), (3510, 119802), (3690, 113958), (4212, 99835), (4383, 95940), (4428, 94965), (4797, 87660), (4870, 86346), (5265, 79868), (5330, 78894), (5535, 75972), (5844, 71955), (6331, 66420), (6396, 65745), (6642, 63310), (7020, 59901), (7305, 57564), (7380, 56979), (7995, 52596), (8766, 47970), (9594, 43830), (9740, 43173), (10530, 39934), (10660, 39447), (11070, 37986), (12662, 33210), (13149, 31980), (13284, 31655), (14391, 29220), (14610, 28782), (15990, 26298), (16605, 25324), (17532, 23985), (18993, 22140), (19188, 21915), (19967, 21060)]