490415640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{28579}}^1$

素因数の和:28617

約数の個数: 128

約数和(自身を含む): 1728518400

約数和(自身を除く): 1238102760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 20, 22, 24, 26, 30, 33, 39, 40, 44, 52, 55, 60, 65, 66, 78, 88, 104, 110, 120, 130, 132, 143, 156, 165, 195, 220, 260, 264, 286, 312, 330, 390, 429, 440, 520, 572, 660, 715, 780, 858, 1144, 1320, 1430, 1560, 1716, 2145, 2860, 3432, 4290, 5720, 8580, 17160, 28579, 57158, 85737, 114316, 142895, 171474, 228632, 285790, 314369, 342948, 371527, 428685, 571580, 628738, 685896, 743054, 857370, 943107, 1114581, 1143160, 1257476, 1486108, 1571845, 1714740, 1857635, 1886214, 2229162, 2514952, 2972216, 3143690, 3429480, 3715270, 3772428, 4086797, 4458324, 4715535, 5572905, 6287380, 7430540, 7544856, 8173594, 8916648, 9431070, 11145810, 12260391, 12574760, 14861080, 16347188, 18862140, 20433985, 22291620, 24520782, 32694376, 37724280, 40867970, 44583240, 49041564, 61301955, 81735940, 98083128, 122603910, 163471880, 245207820, 490415640]

約数ペア:

[(1, 490415640), (2, 245207820), (3, 163471880), (4, 122603910), (5, 98083128), (6, 81735940), (8, 61301955), (10, 49041564), (11, 44583240), (12, 40867970), (13, 37724280), (15, 32694376), (20, 24520782), (22, 22291620), (24, 20433985), (26, 18862140), (30, 16347188), (33, 14861080), (39, 12574760), (40, 12260391), (44, 11145810), (52, 9431070), (55, 8916648), (60, 8173594), (65, 7544856), (66, 7430540), (78, 6287380), (88, 5572905), (104, 4715535), (110, 4458324), (120, 4086797), (130, 3772428), (132, 3715270), (143, 3429480), (156, 3143690), (165, 2972216), (195, 2514952), (220, 2229162), (260, 1886214), (264, 1857635), (286, 1714740), (312, 1571845), (330, 1486108), (390, 1257476), (429, 1143160), (440, 1114581), (520, 943107), (572, 857370), (660, 743054), (715, 685896), (780, 628738), (858, 571580), (1144, 428685), (1320, 371527), (1430, 342948), (1560, 314369), (1716, 285790), (2145, 228632), (2860, 171474), (3432, 142895), (4290, 114316), (5720, 85737), (8580, 57158), (17160, 28579)]