128668980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{479}}^1$

素因数の和:550

約数の個数: 144

約数和(自身を含む): 407554560

約数和(自身を除く): 278885580

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 37, 44, 55, 60, 66, 74, 110, 111, 121, 132, 148, 165, 185, 220, 222, 242, 330, 363, 370, 407, 444, 479, 484, 555, 605, 660, 726, 740, 814, 958, 1110, 1210, 1221, 1437, 1452, 1628, 1815, 1916, 2035, 2220, 2395, 2420, 2442, 2874, 3630, 4070, 4477, 4790, 4884, 5269, 5748, 6105, 7185, 7260, 8140, 8954, 9580, 10538, 12210, 13431, 14370, 15807, 17723, 17908, 21076, 22385, 24420, 26345, 26862, 28740, 31614, 35446, 44770, 52690, 53169, 53724, 57959, 63228, 67155, 70892, 79035, 88615, 89540, 105380, 106338, 115918, 134310, 158070, 173877, 177230, 194953, 212676, 231836, 265845, 268620, 289795, 316140, 347754, 354460, 389906, 531690, 579590, 584859, 695508, 779812, 869385, 974765, 1063380, 1159180, 1169718, 1738770, 1949530, 2144483, 2339436, 2924295, 3477540, 3899060, 4288966, 5848590, 6433449, 8577932, 10722415, 11697180, 12866898, 21444830, 25733796, 32167245, 42889660, 64334490, 128668980]

約数ペア:

[(1, 128668980), (2, 64334490), (3, 42889660), (4, 32167245), (5, 25733796), (6, 21444830), (10, 12866898), (11, 11697180), (12, 10722415), (15, 8577932), (20, 6433449), (22, 5848590), (30, 4288966), (33, 3899060), (37, 3477540), (44, 2924295), (55, 2339436), (60, 2144483), (66, 1949530), (74, 1738770), (110, 1169718), (111, 1159180), (121, 1063380), (132, 974765), (148, 869385), (165, 779812), (185, 695508), (220, 584859), (222, 579590), (242, 531690), (330, 389906), (363, 354460), (370, 347754), (407, 316140), (444, 289795), (479, 268620), (484, 265845), (555, 231836), (605, 212676), (660, 194953), (726, 177230), (740, 173877), (814, 158070), (958, 134310), (1110, 115918), (1210, 106338), (1221, 105380), (1437, 89540), (1452, 88615), (1628, 79035), (1815, 70892), (1916, 67155), (2035, 63228), (2220, 57959), (2395, 53724), (2420, 53169), (2442, 52690), (2874, 44770), (3630, 35446), (4070, 31614), (4477, 28740), (4790, 26862), (4884, 26345), (5269, 24420), (5748, 22385), (6105, 21076), (7185, 17908), (7260, 17723), (8140, 15807), (8954, 14370), (9580, 13431), (10538, 12210)]