171907920

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1$

素因数の和:304

約数の個数: 240

約数和(自身を含む): 617460480

約数和(自身を除く): 445552560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 37, 40, 45, 48, 54, 60, 72, 74, 80, 81, 90, 108, 111, 120, 135, 144, 148, 162, 180, 185, 216, 222, 239, 240, 243, 270, 296, 324, 333, 360, 370, 405, 432, 444, 478, 486, 540, 555, 592, 648, 666, 717, 720, 740, 810, 888, 956, 972, 999, 1080, 1110, 1195, 1215, 1296, 1332, 1434, 1480, 1620, 1665, 1776, 1912, 1944, 1998, 2151, 2160, 2220, 2390, 2430, 2664, 2868, 2960, 2997, 3240, 3330, 3585, 3824, 3888, 3996, 4302, 4440, 4780, 4860, 4995, 5328, 5736, 5994, 6453, 6480, 6660, 7170, 7992, 8604, 8843, 8880, 8991, 9560, 9720, 9990, 10755, 11472, 11988, 12906, 13320, 14340, 14985, 15984, 17208, 17686, 17982, 19120, 19359, 19440, 19980, 21510, 23976, 25812, 26529, 26640, 28680, 29970, 32265, 34416, 35372, 35964, 38718, 39960, 43020, 44215, 44955, 47952, 51624, 53058, 57360, 58077, 59940, 64530, 70744, 71928, 77436, 79587, 79920, 86040, 88430, 89910, 96795, 103248, 106116, 116154, 119880, 129060, 132645, 141488, 143856, 154872, 159174, 172080, 176860, 179820, 193590, 212232, 232308, 238761, 239760, 258120, 265290, 290385, 309744, 318348, 353720, 359640, 387180, 397935, 424464, 464616, 477522, 516240, 530580, 580770, 636696, 707440, 716283, 719280, 774360, 795870, 929232, 955044, 1061160, 1161540, 1193805, 1273392, 1432566, 1548720, 1591740, 1910088, 2122320, 2148849, 2323080, 2387610, 2865132, 3183480, 3581415, 3820176, 4297698, 4646160, 4775220, 5730264, 6366960, 7162830, 8595396, 9550440, 10744245, 11460528, 14325660, 17190792, 19100880, 21488490, 28651320, 34381584, 42976980, 57302640, 85953960, 171907920]

約数ペア:

[(1, 171907920), (2, 85953960), (3, 57302640), (4, 42976980), (5, 34381584), (6, 28651320), (8, 21488490), (9, 19100880), (10, 17190792), (12, 14325660), (15, 11460528), (16, 10744245), (18, 9550440), (20, 8595396), (24, 7162830), (27, 6366960), (30, 5730264), (36, 4775220), (37, 4646160), (40, 4297698), (45, 3820176), (48, 3581415), (54, 3183480), (60, 2865132), (72, 2387610), (74, 2323080), (80, 2148849), (81, 2122320), (90, 1910088), (108, 1591740), (111, 1548720), (120, 1432566), (135, 1273392), (144, 1193805), (148, 1161540), (162, 1061160), (180, 955044), (185, 929232), (216, 795870), (222, 774360), (239, 719280), (240, 716283), (243, 707440), (270, 636696), (296, 580770), (324, 530580), (333, 516240), (360, 477522), (370, 464616), (405, 424464), (432, 397935), (444, 387180), (478, 359640), (486, 353720), (540, 318348), (555, 309744), (592, 290385), (648, 265290), (666, 258120), (717, 239760), (720, 238761), (740, 232308), (810, 212232), (888, 193590), (956, 179820), (972, 176860), (999, 172080), (1080, 159174), (1110, 154872), (1195, 143856), (1215, 141488), (1296, 132645), (1332, 129060), (1434, 119880), (1480, 116154), (1620, 106116), (1665, 103248), (1776, 96795), (1912, 89910), (1944, 88430), (1998, 86040), (2151, 79920), (2160, 79587), (2220, 77436), (2390, 71928), (2430, 70744), (2664, 64530), (2868, 59940), (2960, 58077), (2997, 57360), (3240, 53058), (3330, 51624), (3585, 47952), (3824, 44955), (3888, 44215), (3996, 43020), (4302, 39960), (4440, 38718), (4780, 35964), (4860, 35372), (4995, 34416), (5328, 32265), (5736, 29970), (5994, 28680), (6453, 26640), (6480, 26529), (6660, 25812), (7170, 23976), (7992, 21510), (8604, 19980), (8843, 19440), (8880, 19359), (8991, 19120), (9560, 17982), (9720, 17686), (9990, 17208), (10755, 15984), (11472, 14985), (11988, 14340), (12906, 13320)]