721458660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{29837}}^1$

素因数の和:29893

約数の個数: 96

約数和(自身を含む): 2245727232

約数和(自身を除く): 1524268572

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 52, 60, 62, 65, 78, 93, 124, 130, 155, 156, 186, 195, 260, 310, 372, 390, 403, 465, 620, 780, 806, 930, 1209, 1612, 1860, 2015, 2418, 4030, 4836, 6045, 8060, 12090, 24180, 29837, 59674, 89511, 119348, 149185, 179022, 298370, 358044, 387881, 447555, 596740, 775762, 895110, 924947, 1163643, 1551524, 1790220, 1849894, 1939405, 2327286, 2774841, 3699788, 3878810, 4624735, 4654572, 5549682, 5818215, 7757620, 9249470, 11099364, 11636430, 12024311, 13874205, 18498940, 23272860, 24048622, 27748410, 36072933, 48097244, 55496820, 60121555, 72145866, 120243110, 144291732, 180364665, 240486220, 360729330, 721458660]

約数ペア:

[(1, 721458660), (2, 360729330), (3, 240486220), (4, 180364665), (5, 144291732), (6, 120243110), (10, 72145866), (12, 60121555), (13, 55496820), (15, 48097244), (20, 36072933), (26, 27748410), (30, 24048622), (31, 23272860), (39, 18498940), (52, 13874205), (60, 12024311), (62, 11636430), (65, 11099364), (78, 9249470), (93, 7757620), (124, 5818215), (130, 5549682), (155, 4654572), (156, 4624735), (186, 3878810), (195, 3699788), (260, 2774841), (310, 2327286), (372, 1939405), (390, 1849894), (403, 1790220), (465, 1551524), (620, 1163643), (780, 924947), (806, 895110), (930, 775762), (1209, 596740), (1612, 447555), (1860, 387881), (2015, 358044), (2418, 298370), (4030, 179022), (4836, 149185), (6045, 119348), (8060, 89511), (12090, 59674), (24180, 29837)]