28546440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{631}}^1$

素因数の和:687

約数の個数: 128

約数和(自身を含む): 95558400

約数和(自身を除く): 67011960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 29, 30, 39, 40, 52, 58, 60, 65, 78, 87, 104, 116, 120, 130, 145, 156, 174, 195, 232, 260, 290, 312, 348, 377, 390, 435, 520, 580, 631, 696, 754, 780, 870, 1131, 1160, 1262, 1508, 1560, 1740, 1885, 1893, 2262, 2524, 3016, 3155, 3480, 3770, 3786, 4524, 5048, 5655, 6310, 7540, 7572, 8203, 9048, 9465, 11310, 12620, 15080, 15144, 16406, 18299, 18930, 22620, 24609, 25240, 32812, 36598, 37860, 41015, 45240, 49218, 54897, 65624, 73196, 75720, 82030, 91495, 98436, 109794, 123045, 146392, 164060, 182990, 196872, 219588, 237887, 246090, 274485, 328120, 365980, 439176, 475774, 492180, 548970, 713661, 731960, 951548, 984360, 1097940, 1189435, 1427322, 1903096, 2195880, 2378870, 2854644, 3568305, 4757740, 5709288, 7136610, 9515480, 14273220, 28546440]

約数ペア:

[(1, 28546440), (2, 14273220), (3, 9515480), (4, 7136610), (5, 5709288), (6, 4757740), (8, 3568305), (10, 2854644), (12, 2378870), (13, 2195880), (15, 1903096), (20, 1427322), (24, 1189435), (26, 1097940), (29, 984360), (30, 951548), (39, 731960), (40, 713661), (52, 548970), (58, 492180), (60, 475774), (65, 439176), (78, 365980), (87, 328120), (104, 274485), (116, 246090), (120, 237887), (130, 219588), (145, 196872), (156, 182990), (174, 164060), (195, 146392), (232, 123045), (260, 109794), (290, 98436), (312, 91495), (348, 82030), (377, 75720), (390, 73196), (435, 65624), (520, 54897), (580, 49218), (631, 45240), (696, 41015), (754, 37860), (780, 36598), (870, 32812), (1131, 25240), (1160, 24609), (1262, 22620), (1508, 18930), (1560, 18299), (1740, 16406), (1885, 15144), (1893, 15080), (2262, 12620), (2524, 11310), (3016, 9465), (3155, 9048), (3480, 8203), (3770, 7572), (3786, 7540), (4524, 6310), (5048, 5655)]