747240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{479}}^1$

素因数の和:506

約数の個数: 64

約数和(自身を含む): 2419200

約数和(自身を除く): 1671960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 479, 520, 780, 958, 1437, 1560, 1916, 2395, 2874, 3832, 4790, 5748, 6227, 7185, 9580, 11496, 12454, 14370, 18681, 19160, 24908, 28740, 31135, 37362, 49816, 57480, 62270, 74724, 93405, 124540, 149448, 186810, 249080, 373620, 747240]

約数ペア:

[(1, 747240), (2, 373620), (3, 249080), (4, 186810), (5, 149448), (6, 124540), (8, 93405), (10, 74724), (12, 62270), (13, 57480), (15, 49816), (20, 37362), (24, 31135), (26, 28740), (30, 24908), (39, 19160), (40, 18681), (52, 14370), (60, 12454), (65, 11496), (78, 9580), (104, 7185), (120, 6227), (130, 5748), (156, 4790), (195, 3832), (260, 2874), (312, 2395), (390, 1916), (479, 1560), (520, 1437), (780, 958)]