489797520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1531}}^1$

素因数の和:1621

約数の個数: 160

約数和(自身を含む): 1604849664

約数和(自身を除く): 1115052144

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 43, 48, 60, 62, 80, 86, 93, 120, 124, 129, 155, 172, 186, 215, 240, 248, 258, 310, 344, 372, 430, 465, 496, 516, 620, 645, 688, 744, 860, 930, 1032, 1240, 1290, 1333, 1488, 1531, 1720, 1860, 2064, 2480, 2580, 2666, 3062, 3440, 3720, 3999, 4593, 5160, 5332, 6124, 6665, 7440, 7655, 7998, 9186, 10320, 10664, 12248, 13330, 15310, 15996, 18372, 19995, 21328, 22965, 24496, 26660, 30620, 31992, 36744, 39990, 45930, 47461, 53320, 61240, 63984, 65833, 73488, 79980, 91860, 94922, 106640, 122480, 131666, 142383, 159960, 183720, 189844, 197499, 237305, 263332, 284766, 319920, 329165, 367440, 379688, 394998, 474610, 526664, 569532, 658330, 711915, 759376, 789996, 949220, 987495, 1053328, 1139064, 1316660, 1423830, 1579992, 1898440, 1974990, 2040823, 2278128, 2633320, 2847660, 3159984, 3796880, 3949980, 4081646, 5266640, 5695320, 6122469, 7899960, 8163292, 10204115, 11390640, 12244938, 15799920, 16326584, 20408230, 24489876, 30612345, 32653168, 40816460, 48979752, 61224690, 81632920, 97959504, 122449380, 163265840, 244898760, 489797520]

約数ペア:

[(1, 489797520), (2, 244898760), (3, 163265840), (4, 122449380), (5, 97959504), (6, 81632920), (8, 61224690), (10, 48979752), (12, 40816460), (15, 32653168), (16, 30612345), (20, 24489876), (24, 20408230), (30, 16326584), (31, 15799920), (40, 12244938), (43, 11390640), (48, 10204115), (60, 8163292), (62, 7899960), (80, 6122469), (86, 5695320), (93, 5266640), (120, 4081646), (124, 3949980), (129, 3796880), (155, 3159984), (172, 2847660), (186, 2633320), (215, 2278128), (240, 2040823), (248, 1974990), (258, 1898440), (310, 1579992), (344, 1423830), (372, 1316660), (430, 1139064), (465, 1053328), (496, 987495), (516, 949220), (620, 789996), (645, 759376), (688, 711915), (744, 658330), (860, 569532), (930, 526664), (1032, 474610), (1240, 394998), (1290, 379688), (1333, 367440), (1488, 329165), (1531, 319920), (1720, 284766), (1860, 263332), (2064, 237305), (2480, 197499), (2580, 189844), (2666, 183720), (3062, 159960), (3440, 142383), (3720, 131666), (3999, 122480), (4593, 106640), (5160, 94922), (5332, 91860), (6124, 79980), (6665, 73488), (7440, 65833), (7655, 63984), (7998, 61240), (9186, 53320), (10320, 47461), (10664, 45930), (12248, 39990), (13330, 36744), (15310, 31992), (15996, 30620), (18372, 26660), (19995, 24496), (21328, 22965)]