64506540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{593}}^1$

素因数の和:656

約数の個数: 144

約数和(自身を含む): 216149472

約数和(自身を除く): 151642932

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 37, 42, 49, 60, 70, 74, 84, 98, 105, 111, 140, 147, 148, 185, 196, 210, 222, 245, 259, 294, 370, 420, 444, 490, 518, 555, 588, 593, 735, 740, 777, 980, 1036, 1110, 1186, 1295, 1470, 1554, 1779, 1813, 2220, 2372, 2590, 2940, 2965, 3108, 3558, 3626, 3885, 4151, 5180, 5439, 5930, 7116, 7252, 7770, 8302, 8895, 9065, 10878, 11860, 12453, 15540, 16604, 17790, 18130, 20755, 21756, 21941, 24906, 27195, 29057, 35580, 36260, 41510, 43882, 49812, 54390, 58114, 62265, 65823, 83020, 87171, 87764, 108780, 109705, 116228, 124530, 131646, 145285, 153587, 174342, 219410, 249060, 263292, 290570, 307174, 329115, 348684, 435855, 438820, 460761, 581140, 614348, 658230, 767935, 871710, 921522, 1075109, 1316460, 1535870, 1743420, 1843044, 2150218, 2303805, 3071740, 3225327, 4300436, 4607610, 5375545, 6450654, 9215220, 10751090, 12901308, 16126635, 21502180, 32253270, 64506540]

約数ペア:

[(1, 64506540), (2, 32253270), (3, 21502180), (4, 16126635), (5, 12901308), (6, 10751090), (7, 9215220), (10, 6450654), (12, 5375545), (14, 4607610), (15, 4300436), (20, 3225327), (21, 3071740), (28, 2303805), (30, 2150218), (35, 1843044), (37, 1743420), (42, 1535870), (49, 1316460), (60, 1075109), (70, 921522), (74, 871710), (84, 767935), (98, 658230), (105, 614348), (111, 581140), (140, 460761), (147, 438820), (148, 435855), (185, 348684), (196, 329115), (210, 307174), (222, 290570), (245, 263292), (259, 249060), (294, 219410), (370, 174342), (420, 153587), (444, 145285), (490, 131646), (518, 124530), (555, 116228), (588, 109705), (593, 108780), (735, 87764), (740, 87171), (777, 83020), (980, 65823), (1036, 62265), (1110, 58114), (1186, 54390), (1295, 49812), (1470, 43882), (1554, 41510), (1779, 36260), (1813, 35580), (2220, 29057), (2372, 27195), (2590, 24906), (2940, 21941), (2965, 21756), (3108, 20755), (3558, 18130), (3626, 17790), (3885, 16604), (4151, 15540), (5180, 12453), (5439, 11860), (5930, 10878), (7116, 9065), (7252, 8895), (7770, 8302)]