378658680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{419}}^1\times {\mathrm{443}}^1$

素因数の和:893

約数の個数: 128

約数和(自身を含む): 1208390400

約数和(自身を除く): 829731720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 419, 443, 510, 680, 838, 886, 1020, 1257, 1329, 1676, 1772, 2040, 2095, 2215, 2514, 2658, 3352, 3544, 4190, 4430, 5028, 5316, 6285, 6645, 7123, 7531, 8380, 8860, 10056, 10632, 12570, 13290, 14246, 15062, 16760, 17720, 21369, 22593, 25140, 26580, 28492, 30124, 35615, 37655, 42738, 45186, 50280, 53160, 56984, 60248, 71230, 75310, 85476, 90372, 106845, 112965, 142460, 150620, 170952, 180744, 185617, 213690, 225930, 284920, 301240, 371234, 427380, 451860, 556851, 742468, 854760, 903720, 928085, 1113702, 1484936, 1856170, 2227404, 2784255, 3155489, 3712340, 4454808, 5568510, 6310978, 7424680, 9466467, 11137020, 12621956, 15777445, 18932934, 22274040, 25243912, 31554890, 37865868, 47332335, 63109780, 75731736, 94664670, 126219560, 189329340, 378658680]

約数ペア:

[(1, 378658680), (2, 189329340), (3, 126219560), (4, 94664670), (5, 75731736), (6, 63109780), (8, 47332335), (10, 37865868), (12, 31554890), (15, 25243912), (17, 22274040), (20, 18932934), (24, 15777445), (30, 12621956), (34, 11137020), (40, 9466467), (51, 7424680), (60, 6310978), (68, 5568510), (85, 4454808), (102, 3712340), (120, 3155489), (136, 2784255), (170, 2227404), (204, 1856170), (255, 1484936), (340, 1113702), (408, 928085), (419, 903720), (443, 854760), (510, 742468), (680, 556851), (838, 451860), (886, 427380), (1020, 371234), (1257, 301240), (1329, 284920), (1676, 225930), (1772, 213690), (2040, 185617), (2095, 180744), (2215, 170952), (2514, 150620), (2658, 142460), (3352, 112965), (3544, 106845), (4190, 90372), (4430, 85476), (5028, 75310), (5316, 71230), (6285, 60248), (6645, 56984), (7123, 53160), (7531, 50280), (8380, 45186), (8860, 42738), (10056, 37655), (10632, 35615), (12570, 30124), (13290, 28492), (14246, 26580), (15062, 25140), (16760, 22593), (17720, 21369)]