161560939880

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{9257}}^1$

素因数の和:9523

約数の個数: 128

約数和(自身を含む): 379815004800

約数和(自身を除く): 218254064920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 73, 86, 139, 146, 172, 215, 278, 292, 344, 365, 430, 556, 584, 695, 730, 860, 1112, 1390, 1460, 1720, 2780, 2920, 3139, 5560, 5977, 6278, 9257, 10147, 11954, 12556, 15695, 18514, 20294, 23908, 25112, 29885, 31390, 37028, 40588, 46285, 47816, 50735, 59770, 62780, 74056, 81176, 92570, 101470, 119540, 125560, 185140, 202940, 239080, 370280, 398051, 405880, 436321, 675761, 796102, 872642, 1286723, 1351522, 1592204, 1745284, 1990255, 2181605, 2573446, 2703044, 3184408, 3378805, 3490568, 3980510, 4363210, 5146892, 5406088, 6433615, 6757610, 7961020, 8726420, 10293784, 12867230, 13515220, 15922040, 17452840, 25734460, 27030440, 29057723, 51468920, 55329089, 58115446, 93930779, 110658178, 116230892, 145288615, 187861558, 221316356, 232461784, 276645445, 290577230, 375723116, 442632712, 469653895, 553290890, 581154460, 751446232, 939307790, 1106581780, 1162308920, 1878615580, 2213163560, 3757231160, 4039023497, 8078046994, 16156093988, 20195117485, 32312187976, 40390234970, 80780469940, 161560939880]

約数ペア:

[(1, 161560939880), (2, 80780469940), (4, 40390234970), (5, 32312187976), (8, 20195117485), (10, 16156093988), (20, 8078046994), (40, 4039023497), (43, 3757231160), (73, 2213163560), (86, 1878615580), (139, 1162308920), (146, 1106581780), (172, 939307790), (215, 751446232), (278, 581154460), (292, 553290890), (344, 469653895), (365, 442632712), (430, 375723116), (556, 290577230), (584, 276645445), (695, 232461784), (730, 221316356), (860, 187861558), (1112, 145288615), (1390, 116230892), (1460, 110658178), (1720, 93930779), (2780, 58115446), (2920, 55329089), (3139, 51468920), (5560, 29057723), (5977, 27030440), (6278, 25734460), (9257, 17452840), (10147, 15922040), (11954, 13515220), (12556, 12867230), (15695, 10293784), (18514, 8726420), (20294, 7961020), (23908, 6757610), (25112, 6433615), (29885, 5406088), (31390, 5146892), (37028, 4363210), (40588, 3980510), (46285, 3490568), (47816, 3378805), (50735, 3184408), (59770, 2703044), (62780, 2573446), (74056, 2181605), (81176, 1990255), (92570, 1745284), (101470, 1592204), (119540, 1351522), (125560, 1286723), (185140, 872642), (202940, 796102), (239080, 675761), (370280, 436321), (398051, 405880)]