81073580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{2423}}^1$

素因数の和:2678

約数の個数: 48

約数和(自身を含む): 195471360

約数和(自身を除く): 114397780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 239, 478, 956, 1195, 1673, 2390, 2423, 3346, 4780, 4846, 6692, 8365, 9692, 12115, 16730, 16961, 24230, 33460, 33922, 48460, 67844, 84805, 169610, 339220, 579097, 1158194, 2316388, 2895485, 4053679, 5790970, 8107358, 11581940, 16214716, 20268395, 40536790, 81073580]

約数ペア:

[(1, 81073580), (2, 40536790), (4, 20268395), (5, 16214716), (7, 11581940), (10, 8107358), (14, 5790970), (20, 4053679), (28, 2895485), (35, 2316388), (70, 1158194), (140, 579097), (239, 339220), (478, 169610), (956, 84805), (1195, 67844), (1673, 48460), (2390, 33922), (2423, 33460), (3346, 24230), (4780, 16961), (4846, 16730), (6692, 12115), (8365, 9692)]