51107760

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1$

素因数の和:278

約数の個数: 240

約数和(自身を含む): 194987520

約数和(自身を除く): 143879760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 48, 54, 55, 60, 66, 72, 80, 81, 88, 90, 99, 108, 110, 120, 132, 135, 144, 162, 165, 176, 180, 198, 216, 220, 239, 240, 243, 264, 270, 297, 324, 330, 360, 396, 405, 432, 440, 478, 486, 495, 528, 540, 594, 648, 660, 717, 720, 792, 810, 880, 891, 956, 972, 990, 1080, 1188, 1195, 1215, 1296, 1320, 1434, 1485, 1584, 1620, 1782, 1912, 1944, 1980, 2151, 2160, 2376, 2390, 2430, 2629, 2640, 2673, 2868, 2970, 3240, 3564, 3585, 3824, 3888, 3960, 4302, 4455, 4752, 4780, 4860, 5258, 5346, 5736, 5940, 6453, 6480, 7128, 7170, 7887, 7920, 8604, 8910, 9560, 9720, 10516, 10692, 10755, 11472, 11880, 12906, 13145, 13365, 14256, 14340, 15774, 17208, 17820, 19120, 19359, 19440, 21032, 21384, 21510, 23661, 23760, 25812, 26290, 26730, 28680, 31548, 32265, 34416, 35640, 38718, 39435, 42064, 42768, 43020, 47322, 51624, 52580, 53460, 57360, 58077, 63096, 64530, 70983, 71280, 77436, 78870, 86040, 94644, 96795, 103248, 105160, 106920, 116154, 118305, 126192, 129060, 141966, 154872, 157740, 172080, 189288, 193590, 210320, 212949, 213840, 232308, 236610, 258120, 283932, 290385, 309744, 315480, 354915, 378576, 387180, 425898, 464616, 473220, 516240, 567864, 580770, 630960, 638847, 709830, 774360, 851796, 929232, 946440, 1064745, 1135728, 1161540, 1277694, 1419660, 1548720, 1703592, 1892880, 2129490, 2323080, 2555388, 2839320, 3194235, 3407184, 4258980, 4646160, 5110776, 5678640, 6388470, 8517960, 10221552, 12776940, 17035920, 25553880, 51107760]

約数ペア:

[(1, 51107760), (2, 25553880), (3, 17035920), (4, 12776940), (5, 10221552), (6, 8517960), (8, 6388470), (9, 5678640), (10, 5110776), (11, 4646160), (12, 4258980), (15, 3407184), (16, 3194235), (18, 2839320), (20, 2555388), (22, 2323080), (24, 2129490), (27, 1892880), (30, 1703592), (33, 1548720), (36, 1419660), (40, 1277694), (44, 1161540), (45, 1135728), (48, 1064745), (54, 946440), (55, 929232), (60, 851796), (66, 774360), (72, 709830), (80, 638847), (81, 630960), (88, 580770), (90, 567864), (99, 516240), (108, 473220), (110, 464616), (120, 425898), (132, 387180), (135, 378576), (144, 354915), (162, 315480), (165, 309744), (176, 290385), (180, 283932), (198, 258120), (216, 236610), (220, 232308), (239, 213840), (240, 212949), (243, 210320), (264, 193590), (270, 189288), (297, 172080), (324, 157740), (330, 154872), (360, 141966), (396, 129060), (405, 126192), (432, 118305), (440, 116154), (478, 106920), (486, 105160), (495, 103248), (528, 96795), (540, 94644), (594, 86040), (648, 78870), (660, 77436), (717, 71280), (720, 70983), (792, 64530), (810, 63096), (880, 58077), (891, 57360), (956, 53460), (972, 52580), (990, 51624), (1080, 47322), (1188, 43020), (1195, 42768), (1215, 42064), (1296, 39435), (1320, 38718), (1434, 35640), (1485, 34416), (1584, 32265), (1620, 31548), (1782, 28680), (1912, 26730), (1944, 26290), (1980, 25812), (2151, 23760), (2160, 23661), (2376, 21510), (2390, 21384), (2430, 21032), (2629, 19440), (2640, 19359), (2673, 19120), (2868, 17820), (2970, 17208), (3240, 15774), (3564, 14340), (3585, 14256), (3824, 13365), (3888, 13145), (3960, 12906), (4302, 11880), (4455, 11472), (4752, 10755), (4780, 10692), (4860, 10516), (5258, 9720), (5346, 9560), (5736, 8910), (5940, 8604), (6453, 7920), (6480, 7887), (7128, 7170)]