405207960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1\times {\mathrm{499}}^1$

素因数の和:681

約数の個数: 128

約数和(自身を含む): 1248480000

約数和(自身を除く): 843272040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 67, 101, 120, 134, 201, 202, 268, 303, 335, 402, 404, 499, 505, 536, 606, 670, 804, 808, 998, 1005, 1010, 1212, 1340, 1497, 1515, 1608, 1996, 2010, 2020, 2424, 2495, 2680, 2994, 3030, 3992, 4020, 4040, 4990, 5988, 6060, 6767, 7485, 8040, 9980, 11976, 12120, 13534, 14970, 19960, 20301, 27068, 29940, 33433, 33835, 40602, 50399, 54136, 59880, 66866, 67670, 81204, 100299, 100798, 101505, 133732, 135340, 151197, 162408, 167165, 200598, 201596, 203010, 251995, 267464, 270680, 302394, 334330, 401196, 403192, 406020, 501495, 503990, 604788, 668660, 755985, 802392, 812040, 1002990, 1007980, 1209576, 1337320, 1511970, 2005980, 2015960, 3023940, 3376733, 4011960, 6047880, 6753466, 10130199, 13506932, 16883665, 20260398, 27013864, 33767330, 40520796, 50650995, 67534660, 81041592, 101301990, 135069320, 202603980, 405207960]

約数ペア:

[(1, 405207960), (2, 202603980), (3, 135069320), (4, 101301990), (5, 81041592), (6, 67534660), (8, 50650995), (10, 40520796), (12, 33767330), (15, 27013864), (20, 20260398), (24, 16883665), (30, 13506932), (40, 10130199), (60, 6753466), (67, 6047880), (101, 4011960), (120, 3376733), (134, 3023940), (201, 2015960), (202, 2005980), (268, 1511970), (303, 1337320), (335, 1209576), (402, 1007980), (404, 1002990), (499, 812040), (505, 802392), (536, 755985), (606, 668660), (670, 604788), (804, 503990), (808, 501495), (998, 406020), (1005, 403192), (1010, 401196), (1212, 334330), (1340, 302394), (1497, 270680), (1515, 267464), (1608, 251995), (1996, 203010), (2010, 201596), (2020, 200598), (2424, 167165), (2495, 162408), (2680, 151197), (2994, 135340), (3030, 133732), (3992, 101505), (4020, 100798), (4040, 100299), (4990, 81204), (5988, 67670), (6060, 66866), (6767, 59880), (7485, 54136), (8040, 50399), (9980, 40602), (11976, 33835), (12120, 33433), (13534, 29940), (14970, 27068), (19960, 20301)]