285305520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:180

約数の個数: 240

約数和(自身を含む): 969446880

約数和(自身を除く): 684141360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 37, 38, 40, 48, 57, 60, 74, 76, 80, 89, 95, 111, 114, 120, 148, 152, 178, 185, 190, 222, 228, 240, 267, 285, 296, 304, 356, 361, 370, 380, 444, 445, 456, 534, 555, 570, 592, 703, 712, 722, 740, 760, 888, 890, 912, 1068, 1083, 1110, 1140, 1335, 1406, 1424, 1444, 1480, 1520, 1691, 1776, 1780, 1805, 2109, 2136, 2166, 2220, 2280, 2670, 2812, 2888, 2960, 3293, 3382, 3515, 3560, 3610, 4218, 4272, 4332, 4440, 4560, 5073, 5340, 5415, 5624, 5776, 6586, 6764, 7030, 7120, 7220, 8436, 8455, 8664, 8880, 9879, 10146, 10545, 10680, 10830, 11248, 13172, 13357, 13528, 14060, 14440, 16465, 16872, 16910, 17328, 19758, 20292, 21090, 21360, 21660, 25365, 26344, 26714, 27056, 28120, 28880, 32129, 32930, 33744, 33820, 39516, 40071, 40584, 42180, 43320, 49395, 50730, 52688, 53428, 56240, 62567, 64258, 65860, 66785, 67640, 79032, 80142, 81168, 84360, 86640, 96387, 98790, 101460, 106856, 125134, 128516, 131720, 133570, 135280, 158064, 160284, 160645, 168720, 187701, 192774, 197580, 200355, 202920, 213712, 250268, 257032, 263440, 267140, 312835, 320568, 321290, 375402, 385548, 395160, 400710, 405840, 481935, 500536, 514064, 534280, 625670, 641136, 642580, 750804, 771096, 790320, 801420, 938505, 963870, 1001072, 1068560, 1188773, 1251340, 1285160, 1501608, 1542192, 1602840, 1877010, 1927740, 2377546, 2502680, 2570320, 3003216, 3205680, 3566319, 3754020, 3855480, 4755092, 5005360, 5943865, 7132638, 7508040, 7710960, 9510184, 11887730, 14265276, 15016080, 17831595, 19020368, 23775460, 28530552, 35663190, 47550920, 57061104, 71326380, 95101840, 142652760, 285305520]

約数ペア:

[(1, 285305520), (2, 142652760), (3, 95101840), (4, 71326380), (5, 57061104), (6, 47550920), (8, 35663190), (10, 28530552), (12, 23775460), (15, 19020368), (16, 17831595), (19, 15016080), (20, 14265276), (24, 11887730), (30, 9510184), (37, 7710960), (38, 7508040), (40, 7132638), (48, 5943865), (57, 5005360), (60, 4755092), (74, 3855480), (76, 3754020), (80, 3566319), (89, 3205680), (95, 3003216), (111, 2570320), (114, 2502680), (120, 2377546), (148, 1927740), (152, 1877010), (178, 1602840), (185, 1542192), (190, 1501608), (222, 1285160), (228, 1251340), (240, 1188773), (267, 1068560), (285, 1001072), (296, 963870), (304, 938505), (356, 801420), (361, 790320), (370, 771096), (380, 750804), (444, 642580), (445, 641136), (456, 625670), (534, 534280), (555, 514064), (570, 500536), (592, 481935), (703, 405840), (712, 400710), (722, 395160), (740, 385548), (760, 375402), (888, 321290), (890, 320568), (912, 312835), (1068, 267140), (1083, 263440), (1110, 257032), (1140, 250268), (1335, 213712), (1406, 202920), (1424, 200355), (1444, 197580), (1480, 192774), (1520, 187701), (1691, 168720), (1776, 160645), (1780, 160284), (1805, 158064), (2109, 135280), (2136, 133570), (2166, 131720), (2220, 128516), (2280, 125134), (2670, 106856), (2812, 101460), (2888, 98790), (2960, 96387), (3293, 86640), (3382, 84360), (3515, 81168), (3560, 80142), (3610, 79032), (4218, 67640), (4272, 66785), (4332, 65860), (4440, 64258), (4560, 62567), (5073, 56240), (5340, 53428), (5415, 52688), (5624, 50730), (5776, 49395), (6586, 43320), (6764, 42180), (7030, 40584), (7120, 40071), (7220, 39516), (8436, 33820), (8455, 33744), (8664, 32930), (8880, 32129), (9879, 28880), (10146, 28120), (10545, 27056), (10680, 26714), (10830, 26344), (11248, 25365), (13172, 21660), (13357, 21360), (13528, 21090), (14060, 20292), (14440, 19758), (16465, 17328), (16872, 16910)]