639730320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{8053}}^1$

素因数の和:8400

約数の個数: 80

約数和(自身を含む): 1989402432

約数和(自身を除く): 1349672112

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 331, 662, 993, 1324, 1655, 1986, 2648, 3310, 3972, 4965, 5296, 6620, 7944, 8053, 9930, 13240, 15888, 16106, 19860, 24159, 26480, 32212, 39720, 40265, 48318, 64424, 79440, 80530, 96636, 120795, 128848, 161060, 193272, 241590, 322120, 386544, 483180, 644240, 966360, 1932720, 2665543, 5331086, 7996629, 10662172, 13327715, 15993258, 21324344, 26655430, 31986516, 39983145, 42648688, 53310860, 63973032, 79966290, 106621720, 127946064, 159932580, 213243440, 319865160, 639730320]

約数ペア:

[(1, 639730320), (2, 319865160), (3, 213243440), (4, 159932580), (5, 127946064), (6, 106621720), (8, 79966290), (10, 63973032), (12, 53310860), (15, 42648688), (16, 39983145), (20, 31986516), (24, 26655430), (30, 21324344), (40, 15993258), (48, 13327715), (60, 10662172), (80, 7996629), (120, 5331086), (240, 2665543), (331, 1932720), (662, 966360), (993, 644240), (1324, 483180), (1655, 386544), (1986, 322120), (2648, 241590), (3310, 193272), (3972, 161060), (4965, 128848), (5296, 120795), (6620, 96636), (7944, 80530), (8053, 79440), (9930, 64424), (13240, 48318), (15888, 40265), (16106, 39720), (19860, 32212), (24159, 26480)]