12706720

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:218

約数の個数: 96

約数和(自身を含む): 33339600

約数和(自身を除く): 20632880

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 41, 52, 65, 80, 82, 104, 130, 149, 160, 164, 205, 208, 260, 298, 328, 410, 416, 520, 533, 596, 656, 745, 820, 1040, 1066, 1192, 1312, 1490, 1640, 1937, 2080, 2132, 2384, 2665, 2980, 3280, 3874, 4264, 4768, 5330, 5960, 6109, 6560, 7748, 8528, 9685, 10660, 11920, 12218, 15496, 17056, 19370, 21320, 23840, 24436, 30545, 30992, 38740, 42640, 48872, 61090, 61984, 77480, 79417, 85280, 97744, 122180, 154960, 158834, 195488, 244360, 309920, 317668, 397085, 488720, 635336, 794170, 977440, 1270672, 1588340, 2541344, 3176680, 6353360, 12706720]

約数ペア:

[(1, 12706720), (2, 6353360), (4, 3176680), (5, 2541344), (8, 1588340), (10, 1270672), (13, 977440), (16, 794170), (20, 635336), (26, 488720), (32, 397085), (40, 317668), (41, 309920), (52, 244360), (65, 195488), (80, 158834), (82, 154960), (104, 122180), (130, 97744), (149, 85280), (160, 79417), (164, 77480), (205, 61984), (208, 61090), (260, 48872), (298, 42640), (328, 38740), (410, 30992), (416, 30545), (520, 24436), (533, 23840), (596, 21320), (656, 19370), (745, 17056), (820, 15496), (1040, 12218), (1066, 11920), (1192, 10660), (1312, 9685), (1490, 8528), (1640, 7748), (1937, 6560), (2080, 6109), (2132, 5960), (2384, 5330), (2665, 4768), (2980, 4264), (3280, 3874)]