28867620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{167}}^1$

素因数の和:289

約数の個数: 96

約数和(自身を含む): 84446208

約数和(自身を除く): 55578588

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 67, 86, 129, 134, 167, 172, 201, 215, 258, 268, 334, 335, 402, 430, 501, 516, 645, 668, 670, 804, 835, 860, 1002, 1005, 1290, 1340, 1670, 2004, 2010, 2505, 2580, 2881, 3340, 4020, 5010, 5762, 7181, 8643, 10020, 11189, 11524, 14362, 14405, 17286, 21543, 22378, 28724, 28810, 33567, 34572, 35905, 43086, 43215, 44756, 55945, 57620, 67134, 71810, 86172, 86430, 107715, 111890, 134268, 143620, 167835, 172860, 215430, 223780, 335670, 430860, 481127, 671340, 962254, 1443381, 1924508, 2405635, 2886762, 4811270, 5773524, 7216905, 9622540, 14433810, 28867620]

約数ペア:

[(1, 28867620), (2, 14433810), (3, 9622540), (4, 7216905), (5, 5773524), (6, 4811270), (10, 2886762), (12, 2405635), (15, 1924508), (20, 1443381), (30, 962254), (43, 671340), (60, 481127), (67, 430860), (86, 335670), (129, 223780), (134, 215430), (167, 172860), (172, 167835), (201, 143620), (215, 134268), (258, 111890), (268, 107715), (334, 86430), (335, 86172), (402, 71810), (430, 67134), (501, 57620), (516, 55945), (645, 44756), (668, 43215), (670, 43086), (804, 35905), (835, 34572), (860, 33567), (1002, 28810), (1005, 28724), (1290, 22378), (1340, 21543), (1670, 17286), (2004, 14405), (2010, 14362), (2505, 11524), (2580, 11189), (2881, 10020), (3340, 8643), (4020, 7181), (5010, 5762)]