6499740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{641}}^1$

素因数の和:679

約数の個数: 72

約数和(自身を含む): 19737648

約数和(自身を除く): 13237908

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 169, 195, 260, 338, 390, 507, 641, 676, 780, 845, 1014, 1282, 1690, 1923, 2028, 2535, 2564, 3205, 3380, 3846, 5070, 6410, 7692, 8333, 9615, 10140, 12820, 16666, 19230, 24999, 33332, 38460, 41665, 49998, 83330, 99996, 108329, 124995, 166660, 216658, 249990, 324987, 433316, 499980, 541645, 649974, 1083290, 1299948, 1624935, 2166580, 3249870, 6499740]

約数ペア:

[(1, 6499740), (2, 3249870), (3, 2166580), (4, 1624935), (5, 1299948), (6, 1083290), (10, 649974), (12, 541645), (13, 499980), (15, 433316), (20, 324987), (26, 249990), (30, 216658), (39, 166660), (52, 124995), (60, 108329), (65, 99996), (78, 83330), (130, 49998), (156, 41665), (169, 38460), (195, 33332), (260, 24999), (338, 19230), (390, 16666), (507, 12820), (641, 10140), (676, 9615), (780, 8333), (845, 7692), (1014, 6410), (1282, 5070), (1690, 3846), (1923, 3380), (2028, 3205), (2535, 2564)]