87231320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{269}}^1$

素因数の和:369

約数の個数: 96

約数和(自身を含む): 219769200

約数和(自身を除く): 132537880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 67, 88, 110, 121, 134, 220, 242, 268, 269, 335, 440, 484, 536, 538, 605, 670, 737, 968, 1076, 1210, 1340, 1345, 1474, 2152, 2420, 2680, 2690, 2948, 2959, 3685, 4840, 5380, 5896, 5918, 7370, 8107, 10760, 11836, 14740, 14795, 16214, 18023, 23672, 29480, 29590, 32428, 32549, 36046, 40535, 59180, 64856, 65098, 72092, 81070, 90115, 118360, 130196, 144184, 162140, 162745, 180230, 198253, 260392, 324280, 325490, 360460, 396506, 650980, 720920, 793012, 991265, 1301960, 1586024, 1982530, 2180783, 3965060, 4361566, 7930120, 8723132, 10903915, 17446264, 21807830, 43615660, 87231320]

約数ペア:

[(1, 87231320), (2, 43615660), (4, 21807830), (5, 17446264), (8, 10903915), (10, 8723132), (11, 7930120), (20, 4361566), (22, 3965060), (40, 2180783), (44, 1982530), (55, 1586024), (67, 1301960), (88, 991265), (110, 793012), (121, 720920), (134, 650980), (220, 396506), (242, 360460), (268, 325490), (269, 324280), (335, 260392), (440, 198253), (484, 180230), (536, 162745), (538, 162140), (605, 144184), (670, 130196), (737, 118360), (968, 90115), (1076, 81070), (1210, 72092), (1340, 65098), (1345, 64856), (1474, 59180), (2152, 40535), (2420, 36046), (2680, 32549), (2690, 32428), (2948, 29590), (2959, 29480), (3685, 23672), (4840, 18023), (5380, 16214), (5896, 14795), (5918, 14740), (7370, 11836), (8107, 10760)]