51728580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{3229}}^1$

素因数の和:3333

約数の個数: 72

約数和(自身を含む): 158722200

約数和(自身を除く): 106993620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 89, 90, 178, 180, 267, 356, 445, 534, 801, 890, 1068, 1335, 1602, 1780, 2670, 3204, 3229, 4005, 5340, 6458, 8010, 9687, 12916, 16020, 16145, 19374, 29061, 32290, 38748, 48435, 58122, 64580, 96870, 116244, 145305, 193740, 287381, 290610, 574762, 581220, 862143, 1149524, 1436905, 1724286, 2586429, 2873810, 3448572, 4310715, 5172858, 5747620, 8621430, 10345716, 12932145, 17242860, 25864290, 51728580]

約数ペア:

[(1, 51728580), (2, 25864290), (3, 17242860), (4, 12932145), (5, 10345716), (6, 8621430), (9, 5747620), (10, 5172858), (12, 4310715), (15, 3448572), (18, 2873810), (20, 2586429), (30, 1724286), (36, 1436905), (45, 1149524), (60, 862143), (89, 581220), (90, 574762), (178, 290610), (180, 287381), (267, 193740), (356, 145305), (445, 116244), (534, 96870), (801, 64580), (890, 58122), (1068, 48435), (1335, 38748), (1602, 32290), (1780, 29061), (2670, 19374), (3204, 16145), (3229, 16020), (4005, 12916), (5340, 9687), (6458, 8010)]