81059940

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1283}}^1$

素因数の和:1320

約数の個数: 144

約数和(自身を含む): 274817088

約数和(自身を除く): 193757148

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 81, 90, 108, 117, 130, 135, 156, 162, 180, 195, 234, 243, 260, 270, 324, 351, 390, 405, 468, 486, 540, 585, 702, 780, 810, 972, 1053, 1170, 1215, 1283, 1404, 1620, 1755, 2106, 2340, 2430, 2566, 3159, 3510, 3849, 4212, 4860, 5132, 5265, 6318, 6415, 7020, 7698, 10530, 11547, 12636, 12830, 15396, 15795, 16679, 19245, 21060, 23094, 25660, 31590, 33358, 34641, 38490, 46188, 50037, 57735, 63180, 66716, 69282, 76980, 83395, 100074, 103923, 115470, 138564, 150111, 166790, 173205, 200148, 207846, 230940, 250185, 300222, 311769, 333580, 346410, 415692, 450333, 500370, 519615, 600444, 623538, 692820, 750555, 900666, 1000740, 1039230, 1247076, 1350999, 1501110, 1558845, 1801332, 2078460, 2251665, 2701998, 3002220, 3117690, 4052997, 4503330, 5403996, 6235380, 6754995, 8105994, 9006660, 13509990, 16211988, 20264985, 27019980, 40529970, 81059940]

約数ペア:

[(1, 81059940), (2, 40529970), (3, 27019980), (4, 20264985), (5, 16211988), (6, 13509990), (9, 9006660), (10, 8105994), (12, 6754995), (13, 6235380), (15, 5403996), (18, 4503330), (20, 4052997), (26, 3117690), (27, 3002220), (30, 2701998), (36, 2251665), (39, 2078460), (45, 1801332), (52, 1558845), (54, 1501110), (60, 1350999), (65, 1247076), (78, 1039230), (81, 1000740), (90, 900666), (108, 750555), (117, 692820), (130, 623538), (135, 600444), (156, 519615), (162, 500370), (180, 450333), (195, 415692), (234, 346410), (243, 333580), (260, 311769), (270, 300222), (324, 250185), (351, 230940), (390, 207846), (405, 200148), (468, 173205), (486, 166790), (540, 150111), (585, 138564), (702, 115470), (780, 103923), (810, 100074), (972, 83395), (1053, 76980), (1170, 69282), (1215, 66716), (1283, 63180), (1404, 57735), (1620, 50037), (1755, 46188), (2106, 38490), (2340, 34641), (2430, 33358), (2566, 31590), (3159, 25660), (3510, 23094), (3849, 21060), (4212, 19245), (4860, 16679), (5132, 15795), (5265, 15396), (6318, 12830), (6415, 12636), (7020, 11547), (7698, 10530)]