204007860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{161911}}^1$

素因数の和:161933

約数の個数: 72

約数和(自身を含む): 707231616

約数和(自身を除く): 503223756

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 161911, 323822, 485733, 647644, 809555, 971466, 1133377, 1457199, 1619110, 1942932, 2266754, 2428665, 2914398, 3238220, 3400131, 4533508, 4857330, 5666885, 5828796, 6800262, 7285995, 9714660, 10200393, 11333770, 13600524, 14571990, 17000655, 20400786, 22667540, 29143980, 34001310, 40801572, 51001965, 68002620, 102003930, 204007860]

約数ペア:

[(1, 204007860), (2, 102003930), (3, 68002620), (4, 51001965), (5, 40801572), (6, 34001310), (7, 29143980), (9, 22667540), (10, 20400786), (12, 17000655), (14, 14571990), (15, 13600524), (18, 11333770), (20, 10200393), (21, 9714660), (28, 7285995), (30, 6800262), (35, 5828796), (36, 5666885), (42, 4857330), (45, 4533508), (60, 3400131), (63, 3238220), (70, 2914398), (84, 2428665), (90, 2266754), (105, 1942932), (126, 1619110), (140, 1457199), (180, 1133377), (210, 971466), (252, 809555), (315, 647644), (420, 485733), (630, 323822), (1260, 161911)]