489694920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{28537}}^1$

素因数の和:28575

約数の個数: 128

約数和(自身を含む): 1725978240

約数和(自身を除く): 1236283320

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, 28537, 57074, 85611, 114148, 142685, 171222, 228296, 285370, 313907, 342444, 370981, 428055, 570740, 627814, 684888, 741962, 856110, 941721, 1112943, 1141480, 1255628, 1483924, 1569535, 1712220, 1854905, 1883442, 2225886, 2511256, 2967848, 3139070, 3424440, 3709810, 3766884, 4080791, 4451772, 4708605, 5564715, 6278140, 7419620, 7533768, 8161582, 8903544, 9417210, 11129430, 12242373, 12556280, 14839240, 16323164, 18834420, 20403955, 22258860, 24484746, 32646328, 37668840, 40807910, 44517720, 48969492, 61211865, 81615820, 97938984, 122423730, 163231640, 244847460, 489694920]

約数ペア:

[(1, 489694920), (2, 244847460), (3, 163231640), (4, 122423730), (5, 97938984), (6, 81615820), (8, 61211865), (10, 48969492), (11, 44517720), (12, 40807910), (13, 37668840), (15, 32646328), (20, 24484746), (22, 22258860), (24, 20403955), (26, 18834420), (30, 16323164), (33, 14839240), (39, 12556280), (40, 12242373), (44, 11129430), (52, 9417210), (55, 8903544), (60, 8161582), (65, 7533768), (66, 7419620), (78, 6278140), (88, 5564715), (104, 4708605), (110, 4451772), (120, 4080791), (130, 3766884), (132, 3709810), (143, 3424440), (156, 3139070), (165, 2967848), (195, 2511256), (220, 2225886), (260, 1883442), (264, 1854905), (286, 1712220), (312, 1569535), (330, 1483924), (390, 1255628), (429, 1141480), (440, 1112943), (520, 941721), (572, 856110), (660, 741962), (715, 684888), (780, 627814), (858, 570740), (1144, 428055), (1320, 370981), (1430, 342444), (1560, 313907), (1716, 285370), (2145, 228296), (2860, 171222), (3432, 142685), (4290, 114148), (5720, 85611), (8580, 57074), (17160, 28537)]