81940080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1$

素因数の和:299

約数の個数: 160

約数和(自身を含む): 268464960

約数和(自身を除く): 186524880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 40, 48, 58, 60, 61, 80, 87, 116, 120, 122, 145, 174, 183, 193, 232, 240, 244, 290, 305, 348, 366, 386, 435, 464, 488, 579, 580, 610, 696, 732, 772, 870, 915, 965, 976, 1158, 1160, 1220, 1392, 1464, 1544, 1740, 1769, 1830, 1930, 2316, 2320, 2440, 2895, 2928, 3088, 3480, 3538, 3660, 3860, 4632, 4880, 5307, 5597, 5790, 6960, 7076, 7320, 7720, 8845, 9264, 10614, 11194, 11580, 11773, 14152, 14640, 15440, 16791, 17690, 21228, 22388, 23160, 23546, 26535, 27985, 28304, 33582, 35319, 35380, 42456, 44776, 46320, 47092, 53070, 55970, 58865, 67164, 70638, 70760, 83955, 84912, 89552, 94184, 106140, 111940, 117730, 134328, 141276, 141520, 167910, 176595, 188368, 212280, 223880, 235460, 268656, 282552, 335820, 341417, 353190, 424560, 447760, 470920, 565104, 671640, 682834, 706380, 941840, 1024251, 1343280, 1365668, 1412760, 1707085, 2048502, 2731336, 2825520, 3414170, 4097004, 5121255, 5462672, 6828340, 8194008, 10242510, 13656680, 16388016, 20485020, 27313360, 40970040, 81940080]

約数ペア:

[(1, 81940080), (2, 40970040), (3, 27313360), (4, 20485020), (5, 16388016), (6, 13656680), (8, 10242510), (10, 8194008), (12, 6828340), (15, 5462672), (16, 5121255), (20, 4097004), (24, 3414170), (29, 2825520), (30, 2731336), (40, 2048502), (48, 1707085), (58, 1412760), (60, 1365668), (61, 1343280), (80, 1024251), (87, 941840), (116, 706380), (120, 682834), (122, 671640), (145, 565104), (174, 470920), (183, 447760), (193, 424560), (232, 353190), (240, 341417), (244, 335820), (290, 282552), (305, 268656), (348, 235460), (366, 223880), (386, 212280), (435, 188368), (464, 176595), (488, 167910), (579, 141520), (580, 141276), (610, 134328), (696, 117730), (732, 111940), (772, 106140), (870, 94184), (915, 89552), (965, 84912), (976, 83955), (1158, 70760), (1160, 70638), (1220, 67164), (1392, 58865), (1464, 55970), (1544, 53070), (1740, 47092), (1769, 46320), (1830, 44776), (1930, 42456), (2316, 35380), (2320, 35319), (2440, 33582), (2895, 28304), (2928, 27985), (3088, 26535), (3480, 23546), (3538, 23160), (3660, 22388), (3860, 21228), (4632, 17690), (4880, 16791), (5307, 15440), (5597, 14640), (5790, 14152), (6960, 11773), (7076, 11580), (7320, 11194), (7720, 10614), (8845, 9264)]