78668880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:261

約数の個数: 160

約数和(自身を含む): 257126400

約数和(自身を除く): 178457520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 40, 48, 58, 60, 80, 87, 89, 116, 120, 127, 145, 174, 178, 232, 240, 254, 267, 290, 348, 356, 381, 435, 445, 464, 508, 534, 580, 635, 696, 712, 762, 870, 890, 1016, 1068, 1160, 1270, 1335, 1392, 1424, 1524, 1740, 1780, 1905, 2032, 2136, 2320, 2540, 2581, 2670, 3048, 3480, 3560, 3683, 3810, 4272, 5080, 5162, 5340, 6096, 6960, 7120, 7366, 7620, 7743, 10160, 10324, 10680, 11049, 11303, 12905, 14732, 15240, 15486, 18415, 20648, 21360, 22098, 22606, 25810, 29464, 30480, 30972, 33909, 36830, 38715, 41296, 44196, 45212, 51620, 55245, 56515, 58928, 61944, 67818, 73660, 77430, 88392, 90424, 103240, 110490, 113030, 123888, 135636, 147320, 154860, 169545, 176784, 180848, 206480, 220980, 226060, 271272, 294640, 309720, 327787, 339090, 441960, 452120, 542544, 619440, 655574, 678180, 883920, 904240, 983361, 1311148, 1356360, 1638935, 1966722, 2622296, 2712720, 3277870, 3933444, 4916805, 5244592, 6555740, 7866888, 9833610, 13111480, 15733776, 19667220, 26222960, 39334440, 78668880]

約数ペア:

[(1, 78668880), (2, 39334440), (3, 26222960), (4, 19667220), (5, 15733776), (6, 13111480), (8, 9833610), (10, 7866888), (12, 6555740), (15, 5244592), (16, 4916805), (20, 3933444), (24, 3277870), (29, 2712720), (30, 2622296), (40, 1966722), (48, 1638935), (58, 1356360), (60, 1311148), (80, 983361), (87, 904240), (89, 883920), (116, 678180), (120, 655574), (127, 619440), (145, 542544), (174, 452120), (178, 441960), (232, 339090), (240, 327787), (254, 309720), (267, 294640), (290, 271272), (348, 226060), (356, 220980), (381, 206480), (435, 180848), (445, 176784), (464, 169545), (508, 154860), (534, 147320), (580, 135636), (635, 123888), (696, 113030), (712, 110490), (762, 103240), (870, 90424), (890, 88392), (1016, 77430), (1068, 73660), (1160, 67818), (1270, 61944), (1335, 58928), (1392, 56515), (1424, 55245), (1524, 51620), (1740, 45212), (1780, 44196), (1905, 41296), (2032, 38715), (2136, 36830), (2320, 33909), (2540, 30972), (2581, 30480), (2670, 29464), (3048, 25810), (3480, 22606), (3560, 22098), (3683, 21360), (3810, 20648), (4272, 18415), (5080, 15486), (5162, 15240), (5340, 14732), (6096, 12905), (6960, 11303), (7120, 11049), (7366, 10680), (7620, 10324), (7743, 10160)]