55721820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1723}}^1$

素因数の和:1760

約数の個数: 144

約数和(自身を含む): 198108288

約数和(自身を除く): 142386468

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 49, 55, 60, 66, 70, 77, 84, 98, 105, 110, 132, 140, 147, 154, 165, 196, 210, 220, 231, 245, 294, 308, 330, 385, 420, 462, 490, 539, 588, 660, 735, 770, 924, 980, 1078, 1155, 1470, 1540, 1617, 1723, 2156, 2310, 2695, 2940, 3234, 3446, 4620, 5169, 5390, 6468, 6892, 8085, 8615, 10338, 10780, 12061, 16170, 17230, 18953, 20676, 24122, 25845, 32340, 34460, 36183, 37906, 48244, 51690, 56859, 60305, 72366, 75812, 84427, 94765, 103380, 113718, 120610, 132671, 144732, 168854, 180915, 189530, 227436, 241220, 253281, 265342, 284295, 337708, 361830, 379060, 398013, 422135, 506562, 530684, 568590, 663355, 723660, 796026, 844270, 928697, 1013124, 1137180, 1266405, 1326710, 1592052, 1688540, 1857394, 1990065, 2532810, 2653420, 2786091, 3714788, 3980130, 4643485, 5065620, 5572182, 7960260, 9286970, 11144364, 13930455, 18573940, 27860910, 55721820]

約数ペア:

[(1, 55721820), (2, 27860910), (3, 18573940), (4, 13930455), (5, 11144364), (6, 9286970), (7, 7960260), (10, 5572182), (11, 5065620), (12, 4643485), (14, 3980130), (15, 3714788), (20, 2786091), (21, 2653420), (22, 2532810), (28, 1990065), (30, 1857394), (33, 1688540), (35, 1592052), (42, 1326710), (44, 1266405), (49, 1137180), (55, 1013124), (60, 928697), (66, 844270), (70, 796026), (77, 723660), (84, 663355), (98, 568590), (105, 530684), (110, 506562), (132, 422135), (140, 398013), (147, 379060), (154, 361830), (165, 337708), (196, 284295), (210, 265342), (220, 253281), (231, 241220), (245, 227436), (294, 189530), (308, 180915), (330, 168854), (385, 144732), (420, 132671), (462, 120610), (490, 113718), (539, 103380), (588, 94765), (660, 84427), (735, 75812), (770, 72366), (924, 60305), (980, 56859), (1078, 51690), (1155, 48244), (1470, 37906), (1540, 36183), (1617, 34460), (1723, 32340), (2156, 25845), (2310, 24122), (2695, 20676), (2940, 18953), (3234, 17230), (3446, 16170), (4620, 12061), (5169, 10780), (5390, 10338), (6468, 8615), (6892, 8085)]