253891980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{359}}^1\times {\mathrm{3929}}^1$

素因数の和:4303

約数の個数: 72

約数和(自身を含む): 772480800

約数和(自身を除く): 518588820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 359, 718, 1077, 1436, 1795, 2154, 3231, 3590, 3929, 4308, 5385, 6462, 7180, 7858, 10770, 11787, 12924, 15716, 16155, 19645, 21540, 23574, 32310, 35361, 39290, 47148, 58935, 64620, 70722, 78580, 117870, 141444, 176805, 235740, 353610, 707220, 1410511, 2821022, 4231533, 5642044, 7052555, 8463066, 12694599, 14105110, 16926132, 21157665, 25389198, 28210220, 42315330, 50778396, 63472995, 84630660, 126945990, 253891980]

約数ペア:

[(1, 253891980), (2, 126945990), (3, 84630660), (4, 63472995), (5, 50778396), (6, 42315330), (9, 28210220), (10, 25389198), (12, 21157665), (15, 16926132), (18, 14105110), (20, 12694599), (30, 8463066), (36, 7052555), (45, 5642044), (60, 4231533), (90, 2821022), (180, 1410511), (359, 707220), (718, 353610), (1077, 235740), (1436, 176805), (1795, 141444), (2154, 117870), (3231, 78580), (3590, 70722), (3929, 64620), (4308, 58935), (5385, 47148), (6462, 39290), (7180, 35361), (7858, 32310), (10770, 23574), (11787, 21540), (12924, 19645), (15716, 16155)]