1087654320

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{13859}}^1$

素因数の和:13987

約数の個数: 120

約数和(自身を含む): 3686482800

約数和(自身を除く): 2598828480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 109, 120, 144, 180, 218, 240, 327, 360, 436, 545, 654, 720, 872, 981, 1090, 1308, 1635, 1744, 1962, 2180, 2616, 3270, 3924, 4360, 4905, 5232, 6540, 7848, 8720, 9810, 13080, 13859, 15696, 19620, 26160, 27718, 39240, 41577, 55436, 69295, 78480, 83154, 110872, 124731, 138590, 166308, 207885, 221744, 249462, 277180, 332616, 415770, 498924, 554360, 623655, 665232, 831540, 997848, 1108720, 1247310, 1510631, 1663080, 1995696, 2494620, 3021262, 3326160, 4531893, 4989240, 6042524, 7553155, 9063786, 9978480, 12085048, 13595679, 15106310, 18127572, 22659465, 24170096, 27191358, 30212620, 36255144, 45318930, 54382716, 60425240, 67978395, 72510288, 90637860, 108765432, 120850480, 135956790, 181275720, 217530864, 271913580, 362551440, 543827160, 1087654320]

約数ペア:

[(1, 1087654320), (2, 543827160), (3, 362551440), (4, 271913580), (5, 217530864), (6, 181275720), (8, 135956790), (9, 120850480), (10, 108765432), (12, 90637860), (15, 72510288), (16, 67978395), (18, 60425240), (20, 54382716), (24, 45318930), (30, 36255144), (36, 30212620), (40, 27191358), (45, 24170096), (48, 22659465), (60, 18127572), (72, 15106310), (80, 13595679), (90, 12085048), (109, 9978480), (120, 9063786), (144, 7553155), (180, 6042524), (218, 4989240), (240, 4531893), (327, 3326160), (360, 3021262), (436, 2494620), (545, 1995696), (654, 1663080), (720, 1510631), (872, 1247310), (981, 1108720), (1090, 997848), (1308, 831540), (1635, 665232), (1744, 623655), (1962, 554360), (2180, 498924), (2616, 415770), (3270, 332616), (3924, 277180), (4360, 249462), (4905, 221744), (5232, 207885), (6540, 166308), (7848, 138590), (8720, 124731), (9810, 110872), (13080, 83154), (13859, 78480), (15696, 69295), (19620, 55436), (26160, 41577), (27718, 39240)]