655074040

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{571}}^1$

素因数の和:677

約数の個数: 128

約数和(自身を含む): 1630886400

約数和(自身を除く): 975812360

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 29, 40, 43, 46, 58, 86, 92, 115, 116, 145, 172, 184, 215, 230, 232, 290, 344, 430, 460, 571, 580, 667, 860, 920, 989, 1142, 1160, 1247, 1334, 1720, 1978, 2284, 2494, 2668, 2855, 3335, 3956, 4568, 4945, 4988, 5336, 5710, 6235, 6670, 7912, 9890, 9976, 11420, 12470, 13133, 13340, 16559, 19780, 22840, 24553, 24940, 26266, 26680, 28681, 33118, 39560, 49106, 49880, 52532, 57362, 65665, 66236, 82795, 98212, 105064, 114724, 122765, 131330, 132472, 143405, 165590, 196424, 229448, 245530, 262660, 286810, 331180, 380857, 491060, 525320, 564719, 573620, 662360, 712037, 761714, 982120, 1129438, 1147240, 1424074, 1523428, 1904285, 2258876, 2823595, 2848148, 3046856, 3560185, 3808570, 4517752, 5647190, 5696296, 7120370, 7617140, 11294380, 14240740, 15234280, 16376851, 22588760, 28481480, 32753702, 65507404, 81884255, 131014808, 163768510, 327537020, 655074040]

約数ペア:

[(1, 655074040), (2, 327537020), (4, 163768510), (5, 131014808), (8, 81884255), (10, 65507404), (20, 32753702), (23, 28481480), (29, 22588760), (40, 16376851), (43, 15234280), (46, 14240740), (58, 11294380), (86, 7617140), (92, 7120370), (115, 5696296), (116, 5647190), (145, 4517752), (172, 3808570), (184, 3560185), (215, 3046856), (230, 2848148), (232, 2823595), (290, 2258876), (344, 1904285), (430, 1523428), (460, 1424074), (571, 1147240), (580, 1129438), (667, 982120), (860, 761714), (920, 712037), (989, 662360), (1142, 573620), (1160, 564719), (1247, 525320), (1334, 491060), (1720, 380857), (1978, 331180), (2284, 286810), (2494, 262660), (2668, 245530), (2855, 229448), (3335, 196424), (3956, 165590), (4568, 143405), (4945, 132472), (4988, 131330), (5336, 122765), (5710, 114724), (6235, 105064), (6670, 98212), (7912, 82795), (9890, 66236), (9976, 65665), (11420, 57362), (12470, 52532), (13133, 49880), (13340, 49106), (16559, 39560), (19780, 33118), (22840, 28681), (24553, 26680), (24940, 26266)]