261617180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{347}}^1$

素因数の和:539

約数の個数: 96

約数和(自身を含む): 631411200

約数和(自身を除く): 369794020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 149, 220, 230, 253, 298, 347, 460, 506, 596, 694, 745, 1012, 1265, 1388, 1490, 1639, 1735, 2530, 2980, 3278, 3427, 3470, 3817, 5060, 6556, 6854, 6940, 7634, 7981, 8195, 13708, 15268, 15962, 16390, 17135, 19085, 31924, 32780, 34270, 37697, 38170, 39905, 51703, 68540, 75394, 76340, 79810, 87791, 103406, 150788, 159620, 175582, 188485, 206812, 258515, 351164, 376970, 438955, 517030, 568733, 753940, 877910, 1034060, 1137466, 1189169, 1755820, 2274932, 2378338, 2843665, 4756676, 5687330, 5945845, 11374660, 11891690, 13080859, 23783380, 26161718, 52323436, 65404295, 130808590, 261617180]

約数ペア:

[(1, 261617180), (2, 130808590), (4, 65404295), (5, 52323436), (10, 26161718), (11, 23783380), (20, 13080859), (22, 11891690), (23, 11374660), (44, 5945845), (46, 5687330), (55, 4756676), (92, 2843665), (110, 2378338), (115, 2274932), (149, 1755820), (220, 1189169), (230, 1137466), (253, 1034060), (298, 877910), (347, 753940), (460, 568733), (506, 517030), (596, 438955), (694, 376970), (745, 351164), (1012, 258515), (1265, 206812), (1388, 188485), (1490, 175582), (1639, 159620), (1735, 150788), (2530, 103406), (2980, 87791), (3278, 79810), (3427, 76340), (3470, 75394), (3817, 68540), (5060, 51703), (6556, 39905), (6854, 38170), (6940, 37697), (7634, 34270), (7981, 32780), (8195, 31924), (13708, 19085), (15268, 17135), (15962, 16390)]