280253520

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{709}}^1$

素因数の和:795

約数の個数: 200

約数和(自身を含む): 990714120

約数和(自身を除く): 710460600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 61, 72, 80, 81, 90, 108, 120, 122, 135, 144, 162, 180, 183, 216, 240, 244, 270, 305, 324, 360, 366, 405, 432, 488, 540, 549, 610, 648, 709, 720, 732, 810, 915, 976, 1080, 1098, 1220, 1296, 1418, 1464, 1620, 1647, 1830, 2127, 2160, 2196, 2440, 2745, 2836, 2928, 3240, 3294, 3545, 3660, 4254, 4392, 4880, 4941, 5490, 5672, 6381, 6480, 6588, 7090, 7320, 8235, 8508, 8784, 9882, 10635, 10980, 11344, 12762, 13176, 14180, 14640, 16470, 17016, 19143, 19764, 21270, 21960, 24705, 25524, 26352, 28360, 31905, 32940, 34032, 38286, 39528, 42540, 43249, 43920, 49410, 51048, 56720, 57429, 63810, 65880, 76572, 79056, 85080, 86498, 95715, 98820, 102096, 114858, 127620, 129747, 131760, 153144, 170160, 172996, 191430, 197640, 216245, 229716, 255240, 259494, 287145, 306288, 345992, 382860, 389241, 395280, 432490, 459432, 510480, 518988, 574290, 648735, 691984, 765720, 778482, 864980, 918864, 1037976, 1148580, 1167723, 1297470, 1531440, 1556964, 1729960, 1946205, 2075952, 2297160, 2335446, 2594940, 3113928, 3459920, 3503169, 3892410, 4594320, 4670892, 5189880, 5838615, 6227856, 7006338, 7784820, 9341784, 10379760, 11677230, 14012676, 15569640, 17515845, 18683568, 23354460, 28025352, 31139280, 35031690, 46708920, 56050704, 70063380, 93417840, 140126760, 280253520]

約数ペア:

[(1, 280253520), (2, 140126760), (3, 93417840), (4, 70063380), (5, 56050704), (6, 46708920), (8, 35031690), (9, 31139280), (10, 28025352), (12, 23354460), (15, 18683568), (16, 17515845), (18, 15569640), (20, 14012676), (24, 11677230), (27, 10379760), (30, 9341784), (36, 7784820), (40, 7006338), (45, 6227856), (48, 5838615), (54, 5189880), (60, 4670892), (61, 4594320), (72, 3892410), (80, 3503169), (81, 3459920), (90, 3113928), (108, 2594940), (120, 2335446), (122, 2297160), (135, 2075952), (144, 1946205), (162, 1729960), (180, 1556964), (183, 1531440), (216, 1297470), (240, 1167723), (244, 1148580), (270, 1037976), (305, 918864), (324, 864980), (360, 778482), (366, 765720), (405, 691984), (432, 648735), (488, 574290), (540, 518988), (549, 510480), (610, 459432), (648, 432490), (709, 395280), (720, 389241), (732, 382860), (810, 345992), (915, 306288), (976, 287145), (1080, 259494), (1098, 255240), (1220, 229716), (1296, 216245), (1418, 197640), (1464, 191430), (1620, 172996), (1647, 170160), (1830, 153144), (2127, 131760), (2160, 129747), (2196, 127620), (2440, 114858), (2745, 102096), (2836, 98820), (2928, 95715), (3240, 86498), (3294, 85080), (3545, 79056), (3660, 76572), (4254, 65880), (4392, 63810), (4880, 57429), (4941, 56720), (5490, 51048), (5672, 49410), (6381, 43920), (6480, 43249), (6588, 42540), (7090, 39528), (7320, 38286), (8235, 34032), (8508, 32940), (8784, 31905), (9882, 28360), (10635, 26352), (10980, 25524), (11344, 24705), (12762, 21960), (13176, 21270), (14180, 19764), (14640, 19143), (16470, 17016)]