55120140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1$

素因数の和:332

約数の個数: 144

約数和(自身を含む): 179262720

約数和(自身を除く): 124142580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 71, 76, 90, 95, 114, 142, 171, 180, 190, 213, 227, 228, 284, 285, 342, 355, 380, 426, 454, 570, 639, 681, 684, 710, 852, 855, 908, 1065, 1135, 1140, 1278, 1349, 1362, 1420, 1710, 2043, 2130, 2270, 2556, 2698, 2724, 3195, 3405, 3420, 4047, 4086, 4260, 4313, 4540, 5396, 6390, 6745, 6810, 8094, 8172, 8626, 10215, 12141, 12780, 12939, 13490, 13620, 16117, 16188, 17252, 20235, 20430, 21565, 24282, 25878, 26980, 32234, 38817, 40470, 40860, 43130, 48351, 48564, 51756, 60705, 64468, 64695, 77634, 80585, 80940, 86260, 96702, 121410, 129390, 145053, 155268, 161170, 193404, 194085, 241755, 242820, 258780, 290106, 306223, 322340, 388170, 483510, 580212, 612446, 725265, 776340, 918669, 967020, 1224892, 1450530, 1531115, 1837338, 2756007, 2901060, 3062230, 3674676, 4593345, 5512014, 6124460, 9186690, 11024028, 13780035, 18373380, 27560070, 55120140]

約数ペア:

[(1, 55120140), (2, 27560070), (3, 18373380), (4, 13780035), (5, 11024028), (6, 9186690), (9, 6124460), (10, 5512014), (12, 4593345), (15, 3674676), (18, 3062230), (19, 2901060), (20, 2756007), (30, 1837338), (36, 1531115), (38, 1450530), (45, 1224892), (57, 967020), (60, 918669), (71, 776340), (76, 725265), (90, 612446), (95, 580212), (114, 483510), (142, 388170), (171, 322340), (180, 306223), (190, 290106), (213, 258780), (227, 242820), (228, 241755), (284, 194085), (285, 193404), (342, 161170), (355, 155268), (380, 145053), (426, 129390), (454, 121410), (570, 96702), (639, 86260), (681, 80940), (684, 80585), (710, 77634), (852, 64695), (855, 64468), (908, 60705), (1065, 51756), (1135, 48564), (1140, 48351), (1278, 43130), (1349, 40860), (1362, 40470), (1420, 38817), (1710, 32234), (2043, 26980), (2130, 25878), (2270, 24282), (2556, 21565), (2698, 20430), (2724, 20235), (3195, 17252), (3405, 16188), (3420, 16117), (4047, 13620), (4086, 13490), (4260, 12939), (4313, 12780), (4540, 12141), (5396, 10215), (6390, 8626), (6745, 8172), (6810, 8094)]