64522480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1$

素因数の和:287

約数の個数: 160

約数和(自身を含む): 183202560

約数和(自身を除く): 118680080

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 19, 20, 22, 34, 38, 40, 44, 55, 68, 76, 80, 85, 88, 95, 110, 136, 152, 170, 176, 187, 190, 209, 220, 227, 272, 304, 323, 340, 374, 380, 418, 440, 454, 646, 680, 748, 760, 836, 880, 908, 935, 1045, 1135, 1292, 1360, 1496, 1520, 1615, 1672, 1816, 1870, 2090, 2270, 2497, 2584, 2992, 3230, 3344, 3553, 3632, 3740, 3859, 4180, 4313, 4540, 4994, 5168, 6460, 7106, 7480, 7718, 8360, 8626, 9080, 9988, 12485, 12920, 14212, 14960, 15436, 16720, 17252, 17765, 18160, 19295, 19976, 21565, 24970, 25840, 28424, 30872, 34504, 35530, 38590, 39952, 42449, 43130, 47443, 49940, 56848, 61744, 69008, 71060, 73321, 77180, 84898, 86260, 94886, 99880, 142120, 146642, 154360, 169796, 172520, 189772, 199760, 212245, 237215, 284240, 293284, 308720, 339592, 345040, 366605, 379544, 424490, 474430, 586568, 679184, 733210, 759088, 806531, 848980, 948860, 1173136, 1466420, 1613062, 1697960, 1897720, 2932840, 3226124, 3395920, 3795440, 4032655, 5865680, 6452248, 8065310, 12904496, 16130620, 32261240, 64522480]

約数ペア:

[(1, 64522480), (2, 32261240), (4, 16130620), (5, 12904496), (8, 8065310), (10, 6452248), (11, 5865680), (16, 4032655), (17, 3795440), (19, 3395920), (20, 3226124), (22, 2932840), (34, 1897720), (38, 1697960), (40, 1613062), (44, 1466420), (55, 1173136), (68, 948860), (76, 848980), (80, 806531), (85, 759088), (88, 733210), (95, 679184), (110, 586568), (136, 474430), (152, 424490), (170, 379544), (176, 366605), (187, 345040), (190, 339592), (209, 308720), (220, 293284), (227, 284240), (272, 237215), (304, 212245), (323, 199760), (340, 189772), (374, 172520), (380, 169796), (418, 154360), (440, 146642), (454, 142120), (646, 99880), (680, 94886), (748, 86260), (760, 84898), (836, 77180), (880, 73321), (908, 71060), (935, 69008), (1045, 61744), (1135, 56848), (1292, 49940), (1360, 47443), (1496, 43130), (1520, 42449), (1615, 39952), (1672, 38590), (1816, 35530), (1870, 34504), (2090, 30872), (2270, 28424), (2497, 25840), (2584, 24970), (2992, 21565), (3230, 19976), (3344, 19295), (3553, 18160), (3632, 17765), (3740, 17252), (3859, 16720), (4180, 15436), (4313, 14960), (4540, 14212), (4994, 12920), (5168, 12485), (6460, 9988), (7106, 9080), (7480, 8626), (7718, 8360)]