12780495540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3736987}}^1$

素因数の和:3737021

約数の個数: 72

約数和(自身を含む): 40807908960

約数和(自身を除く): 28027413420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 3736987, 7473974, 11210961, 14947948, 18684935, 22421922, 33632883, 37369870, 44843844, 56054805, 67265766, 71002753, 74739740, 112109610, 134531532, 142005506, 168164415, 213008259, 224219220, 284011012, 336328830, 355013765, 426016518, 639024777, 672657660, 710027530, 852033036, 1065041295, 1278049554, 1420055060, 2130082590, 2556099108, 3195123885, 4260165180, 6390247770, 12780495540]

約数ペア:

[(1, 12780495540), (2, 6390247770), (3, 4260165180), (4, 3195123885), (5, 2556099108), (6, 2130082590), (9, 1420055060), (10, 1278049554), (12, 1065041295), (15, 852033036), (18, 710027530), (19, 672657660), (20, 639024777), (30, 426016518), (36, 355013765), (38, 336328830), (45, 284011012), (57, 224219220), (60, 213008259), (76, 168164415), (90, 142005506), (95, 134531532), (114, 112109610), (171, 74739740), (180, 71002753), (190, 67265766), (228, 56054805), (285, 44843844), (342, 37369870), (380, 33632883), (570, 22421922), (684, 18684935), (855, 14947948), (1140, 11210961), (1710, 7473974), (3420, 3736987)]