81846960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{709}}^1$

素因数の和:775

約数の個数: 160

約数和(自身を含む): 281023680

約数和(自身を除く): 199176720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 37, 39, 40, 48, 52, 60, 65, 74, 78, 80, 104, 111, 120, 130, 148, 156, 185, 195, 208, 222, 240, 260, 296, 312, 370, 390, 444, 481, 520, 555, 592, 624, 709, 740, 780, 888, 962, 1040, 1110, 1418, 1443, 1480, 1560, 1776, 1924, 2127, 2220, 2405, 2836, 2886, 2960, 3120, 3545, 3848, 4254, 4440, 4810, 5672, 5772, 7090, 7215, 7696, 8508, 8880, 9217, 9620, 10635, 11344, 11544, 14180, 14430, 17016, 18434, 19240, 21270, 23088, 26233, 27651, 28360, 28860, 34032, 36868, 38480, 42540, 46085, 52466, 55302, 56720, 57720, 73736, 78699, 85080, 92170, 104932, 110604, 115440, 131165, 138255, 147472, 157398, 170160, 184340, 209864, 221208, 262330, 276510, 314796, 341029, 368680, 393495, 419728, 442416, 524660, 553020, 629592, 682058, 737360, 786990, 1023087, 1049320, 1106040, 1259184, 1364116, 1573980, 1705145, 2046174, 2098640, 2212080, 2728232, 3147960, 3410290, 4092348, 5115435, 5456464, 6295920, 6820580, 8184696, 10230870, 13641160, 16369392, 20461740, 27282320, 40923480, 81846960]

約数ペア:

[(1, 81846960), (2, 40923480), (3, 27282320), (4, 20461740), (5, 16369392), (6, 13641160), (8, 10230870), (10, 8184696), (12, 6820580), (13, 6295920), (15, 5456464), (16, 5115435), (20, 4092348), (24, 3410290), (26, 3147960), (30, 2728232), (37, 2212080), (39, 2098640), (40, 2046174), (48, 1705145), (52, 1573980), (60, 1364116), (65, 1259184), (74, 1106040), (78, 1049320), (80, 1023087), (104, 786990), (111, 737360), (120, 682058), (130, 629592), (148, 553020), (156, 524660), (185, 442416), (195, 419728), (208, 393495), (222, 368680), (240, 341029), (260, 314796), (296, 276510), (312, 262330), (370, 221208), (390, 209864), (444, 184340), (481, 170160), (520, 157398), (555, 147472), (592, 138255), (624, 131165), (709, 115440), (740, 110604), (780, 104932), (888, 92170), (962, 85080), (1040, 78699), (1110, 73736), (1418, 57720), (1443, 56720), (1480, 55302), (1560, 52466), (1776, 46085), (1924, 42540), (2127, 38480), (2220, 36868), (2405, 34032), (2836, 28860), (2886, 28360), (2960, 27651), (3120, 26233), (3545, 23088), (3848, 21270), (4254, 19240), (4440, 18434), (4810, 17016), (5672, 14430), (5772, 14180), (7090, 11544), (7215, 11344), (7696, 10635), (8508, 9620), (8880, 9217)]