64789320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{167}}^1$

素因数の和:295

約数の個数: 128

約数和(自身を含む): 202487040

約数和(自身を除く): 137697720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 53, 60, 61, 106, 120, 122, 159, 167, 183, 212, 244, 265, 305, 318, 334, 366, 424, 488, 501, 530, 610, 636, 668, 732, 795, 835, 915, 1002, 1060, 1220, 1272, 1336, 1464, 1590, 1670, 1830, 2004, 2120, 2440, 2505, 3180, 3233, 3340, 3660, 4008, 5010, 6360, 6466, 6680, 7320, 8851, 9699, 10020, 10187, 12932, 16165, 17702, 19398, 20040, 20374, 25864, 26553, 30561, 32330, 35404, 38796, 40748, 44255, 48495, 50935, 53106, 61122, 64660, 70808, 77592, 81496, 88510, 96990, 101870, 106212, 122244, 129320, 132765, 152805, 177020, 193980, 203740, 212424, 244488, 265530, 305610, 354040, 387960, 407480, 531060, 539911, 611220, 1062120, 1079822, 1222440, 1619733, 2159644, 2699555, 3239466, 4319288, 5399110, 6478932, 8098665, 10798220, 12957864, 16197330, 21596440, 32394660, 64789320]

約数ペア:

[(1, 64789320), (2, 32394660), (3, 21596440), (4, 16197330), (5, 12957864), (6, 10798220), (8, 8098665), (10, 6478932), (12, 5399110), (15, 4319288), (20, 3239466), (24, 2699555), (30, 2159644), (40, 1619733), (53, 1222440), (60, 1079822), (61, 1062120), (106, 611220), (120, 539911), (122, 531060), (159, 407480), (167, 387960), (183, 354040), (212, 305610), (244, 265530), (265, 244488), (305, 212424), (318, 203740), (334, 193980), (366, 177020), (424, 152805), (488, 132765), (501, 129320), (530, 122244), (610, 106212), (636, 101870), (668, 96990), (732, 88510), (795, 81496), (835, 77592), (915, 70808), (1002, 64660), (1060, 61122), (1220, 53106), (1272, 50935), (1336, 48495), (1464, 44255), (1590, 40748), (1670, 38796), (1830, 35404), (2004, 32330), (2120, 30561), (2440, 26553), (2505, 25864), (3180, 20374), (3233, 20040), (3340, 19398), (3660, 17702), (4008, 16165), (5010, 12932), (6360, 10187), (6466, 10020), (6680, 9699), (7320, 8851)]