28651320

素因数分解:

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

素因数の和:299

約数の個数: 160

約数和(自身を含む): 99316800

約数和(自身を除く): 70665480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 37, 40, 45, 54, 60, 72, 74, 81, 90, 108, 111, 120, 135, 148, 162, 180, 185, 216, 222, 239, 270, 296, 324, 333, 360, 370, 405, 444, 478, 540, 555, 648, 666, 717, 740, 810, 888, 956, 999, 1080, 1110, 1195, 1332, 1434, 1480, 1620, 1665, 1912, 1998, 2151, 2220, 2390, 2664, 2868, 2997, 3240, 3330, 3585, 3996, 4302, 4440, 4780, 4995, 5736, 5994, 6453, 6660, 7170, 7992, 8604, 8843, 9560, 9990, 10755, 11988, 12906, 13320, 14340, 14985, 17208, 17686, 19359, 19980, 21510, 23976, 25812, 26529, 28680, 29970, 32265, 35372, 38718, 39960, 43020, 44215, 51624, 53058, 59940, 64530, 70744, 77436, 79587, 86040, 88430, 96795, 106116, 119880, 129060, 132645, 154872, 159174, 176860, 193590, 212232, 238761, 258120, 265290, 318348, 353720, 387180, 397935, 477522, 530580, 636696, 716283, 774360, 795870, 955044, 1061160, 1193805, 1432566, 1591740, 1910088, 2387610, 2865132, 3183480, 3581415, 4775220, 5730264, 7162830, 9550440, 14325660, 28651320]

約数ペア:

[(1, 28651320), (2, 14325660), (3, 9550440), (4, 7162830), (5, 5730264), (6, 4775220), (8, 3581415), (9, 3183480), (10, 2865132), (12, 2387610), (15, 1910088), (18, 1591740), (20, 1432566), (24, 1193805), (27, 1061160), (30, 955044), (36, 795870), (37, 774360), (40, 716283), (45, 636696), (54, 530580), (60, 477522), (72, 397935), (74, 387180), (81, 353720), (90, 318348), (108, 265290), (111, 258120), (120, 238761), (135, 212232), (148, 193590), (162, 176860), (180, 159174), (185, 154872), (216, 132645), (222, 129060), (239, 119880), (270, 106116), (296, 96795), (324, 88430), (333, 86040), (360, 79587), (370, 77436), (405, 70744), (444, 64530), (478, 59940), (540, 53058), (555, 51624), (648, 44215), (666, 43020), (717, 39960), (740, 38718), (810, 35372), (888, 32265), (956, 29970), (999, 28680), (1080, 26529), (1110, 25812), (1195, 23976), (1332, 21510), (1434, 19980), (1480, 19359), (1620, 17686), (1665, 17208), (1912, 14985), (1998, 14340), (2151, 13320), (2220, 12906), (2390, 11988), (2664, 10755), (2868, 9990), (2997, 9560), (3240, 8843), (3330, 8604), (3585, 7992), (3996, 7170), (4302, 6660), (4440, 6453), (4780, 5994), (4995, 5736)]