1330245320

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{347}}^1\times {\mathrm{401}}^1$

素因数の和:998

約数の個数: 64

約数和(自身を含む): 3021753600

約数和(自身を除く): 1691508280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 347, 401, 478, 694, 802, 956, 1195, 1388, 1604, 1735, 1912, 2005, 2390, 2776, 3208, 3470, 4010, 4780, 6940, 8020, 9560, 13880, 16040, 82933, 95839, 139147, 165866, 191678, 278294, 331732, 383356, 414665, 479195, 556588, 663464, 695735, 766712, 829330, 958390, 1113176, 1391470, 1658660, 1916780, 2782940, 3317320, 3833560, 5565880, 33256133, 66512266, 133024532, 166280665, 266049064, 332561330, 665122660, 1330245320]

約数ペア:

[(1, 1330245320), (2, 665122660), (4, 332561330), (5, 266049064), (8, 166280665), (10, 133024532), (20, 66512266), (40, 33256133), (239, 5565880), (347, 3833560), (401, 3317320), (478, 2782940), (694, 1916780), (802, 1658660), (956, 1391470), (1195, 1113176), (1388, 958390), (1604, 829330), (1735, 766712), (1912, 695735), (2005, 663464), (2390, 556588), (2776, 479195), (3208, 414665), (3470, 383356), (4010, 331732), (4780, 278294), (6940, 191678), (8020, 165866), (9560, 139147), (13880, 95839), (16040, 82933)]