664567920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{739}}^1\times {\mathrm{1249}}^1$

素因数の和:2007

約数の個数: 120

約数和(自身を含む): 2236650000

約数和(自身を除く): 1572082080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 739, 1249, 1478, 2217, 2498, 2956, 3695, 3747, 4434, 4996, 5912, 6245, 6651, 7390, 7494, 8868, 9992, 11085, 11241, 11824, 12490, 13302, 14780, 14988, 17736, 18735, 19984, 22170, 22482, 24980, 26604, 29560, 29976, 33255, 35472, 37470, 44340, 44964, 49960, 53208, 56205, 59120, 59952, 66510, 74940, 88680, 89928, 99920, 106416, 112410, 133020, 149880, 177360, 179856, 224820, 266040, 299760, 449640, 532080, 899280, 923011, 1846022, 2769033, 3692044, 4615055, 5538066, 7384088, 8307099, 9230110, 11076132, 13845165, 14768176, 16614198, 18460220, 22152264, 27690330, 33228396, 36920440, 41535495, 44304528, 55380660, 66456792, 73840880, 83070990, 110761320, 132913584, 166141980, 221522640, 332283960, 664567920]

約数ペア:

[(1, 664567920), (2, 332283960), (3, 221522640), (4, 166141980), (5, 132913584), (6, 110761320), (8, 83070990), (9, 73840880), (10, 66456792), (12, 55380660), (15, 44304528), (16, 41535495), (18, 36920440), (20, 33228396), (24, 27690330), (30, 22152264), (36, 18460220), (40, 16614198), (45, 14768176), (48, 13845165), (60, 11076132), (72, 9230110), (80, 8307099), (90, 7384088), (120, 5538066), (144, 4615055), (180, 3692044), (240, 2769033), (360, 1846022), (720, 923011), (739, 899280), (1249, 532080), (1478, 449640), (2217, 299760), (2498, 266040), (2956, 224820), (3695, 179856), (3747, 177360), (4434, 149880), (4996, 133020), (5912, 112410), (6245, 106416), (6651, 99920), (7390, 89928), (7494, 88680), (8868, 74940), (9992, 66510), (11085, 59952), (11241, 59120), (11824, 56205), (12490, 53208), (13302, 49960), (14780, 44964), (14988, 44340), (17736, 37470), (18735, 35472), (19984, 33255), (22170, 29976), (22482, 29560), (24980, 26604)]