67798980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{2081}}^1$

素因数の和:2277

約数の個数: 72

約数和(自身を含む): 206892504

約数和(自身を除く): 139093524

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 181, 362, 543, 724, 905, 1086, 1629, 1810, 2081, 2172, 2715, 3258, 3620, 4162, 5430, 6243, 6516, 8145, 8324, 10405, 10860, 12486, 16290, 18729, 20810, 24972, 31215, 32580, 37458, 41620, 62430, 74916, 93645, 124860, 187290, 374580, 376661, 753322, 1129983, 1506644, 1883305, 2259966, 3389949, 3766610, 4519932, 5649915, 6779898, 7533220, 11299830, 13559796, 16949745, 22599660, 33899490, 67798980]

約数ペア:

[(1, 67798980), (2, 33899490), (3, 22599660), (4, 16949745), (5, 13559796), (6, 11299830), (9, 7533220), (10, 6779898), (12, 5649915), (15, 4519932), (18, 3766610), (20, 3389949), (30, 2259966), (36, 1883305), (45, 1506644), (60, 1129983), (90, 753322), (180, 376661), (181, 374580), (362, 187290), (543, 124860), (724, 93645), (905, 74916), (1086, 62430), (1629, 41620), (1810, 37458), (2081, 32580), (2172, 31215), (2715, 24972), (3258, 20810), (3620, 18729), (4162, 16290), (5430, 12486), (6243, 10860), (6516, 10405), (8145, 8324)]