78943620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1861}}^1$

素因数の和:1981

約数の個数: 96

約数和(自身を含む): 255257856

約数和(自身を除く): 176314236

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 101, 105, 140, 202, 210, 303, 404, 420, 505, 606, 707, 1010, 1212, 1414, 1515, 1861, 2020, 2121, 2828, 3030, 3535, 3722, 4242, 5583, 6060, 7070, 7444, 8484, 9305, 10605, 11166, 13027, 14140, 18610, 21210, 22332, 26054, 27915, 37220, 39081, 42420, 52108, 55830, 65135, 78162, 111660, 130270, 156324, 187961, 195405, 260540, 375922, 390810, 563883, 751844, 781620, 939805, 1127766, 1315727, 1879610, 2255532, 2631454, 2819415, 3759220, 3947181, 5262908, 5638830, 6578635, 7894362, 11277660, 13157270, 15788724, 19735905, 26314540, 39471810, 78943620]

約数ペア:

[(1, 78943620), (2, 39471810), (3, 26314540), (4, 19735905), (5, 15788724), (6, 13157270), (7, 11277660), (10, 7894362), (12, 6578635), (14, 5638830), (15, 5262908), (20, 3947181), (21, 3759220), (28, 2819415), (30, 2631454), (35, 2255532), (42, 1879610), (60, 1315727), (70, 1127766), (84, 939805), (101, 781620), (105, 751844), (140, 563883), (202, 390810), (210, 375922), (303, 260540), (404, 195405), (420, 187961), (505, 156324), (606, 130270), (707, 111660), (1010, 78162), (1212, 65135), (1414, 55830), (1515, 52108), (1861, 42420), (2020, 39081), (2121, 37220), (2828, 27915), (3030, 26054), (3535, 22332), (3722, 21210), (4242, 18610), (5583, 14140), (6060, 13027), (7070, 11166), (7444, 10605), (8484, 9305)]