28077480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{3391}}^1$

素因数の和:3431

約数の個数: 96

約数和(自身を含む): 95247360

約数和(自身を除く): 67169880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 45, 46, 60, 69, 72, 90, 92, 115, 120, 138, 180, 184, 207, 230, 276, 345, 360, 414, 460, 552, 690, 828, 920, 1035, 1380, 1656, 2070, 2760, 3391, 4140, 6782, 8280, 10173, 13564, 16955, 20346, 27128, 30519, 33910, 40692, 50865, 61038, 67820, 77993, 81384, 101730, 122076, 135640, 152595, 155986, 203460, 233979, 244152, 305190, 311972, 389965, 406920, 467958, 610380, 623944, 701937, 779930, 935916, 1169895, 1220760, 1403874, 1559860, 1871832, 2339790, 2807748, 3119720, 3509685, 4679580, 5615496, 7019370, 9359160, 14038740, 28077480]

約数ペア:

[(1, 28077480), (2, 14038740), (3, 9359160), (4, 7019370), (5, 5615496), (6, 4679580), (8, 3509685), (9, 3119720), (10, 2807748), (12, 2339790), (15, 1871832), (18, 1559860), (20, 1403874), (23, 1220760), (24, 1169895), (30, 935916), (36, 779930), (40, 701937), (45, 623944), (46, 610380), (60, 467958), (69, 406920), (72, 389965), (90, 311972), (92, 305190), (115, 244152), (120, 233979), (138, 203460), (180, 155986), (184, 152595), (207, 135640), (230, 122076), (276, 101730), (345, 81384), (360, 77993), (414, 67820), (460, 61038), (552, 50865), (690, 40692), (828, 33910), (920, 30519), (1035, 27128), (1380, 20346), (1656, 16955), (2070, 13564), (2760, 10173), (3391, 8280), (4140, 6782)]