68744760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{81839}}^1$

素因数の和:81860

約数の個数: 64

約数和(自身を含む): 235699200

約数和(自身を除く): 166954440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 81839, 163678, 245517, 327356, 409195, 491034, 572873, 654712, 818390, 982068, 1145746, 1227585, 1636780, 1718619, 1964136, 2291492, 2455170, 2864365, 3273560, 3437238, 4582984, 4910340, 5728730, 6874476, 8593095, 9820680, 11457460, 13748952, 17186190, 22914920, 34372380, 68744760]

約数ペア:

[(1, 68744760), (2, 34372380), (3, 22914920), (4, 17186190), (5, 13748952), (6, 11457460), (7, 9820680), (8, 8593095), (10, 6874476), (12, 5728730), (14, 4910340), (15, 4582984), (20, 3437238), (21, 3273560), (24, 2864365), (28, 2455170), (30, 2291492), (35, 1964136), (40, 1718619), (42, 1636780), (56, 1227585), (60, 1145746), (70, 982068), (84, 818390), (105, 654712), (120, 572873), (140, 491034), (168, 409195), (210, 327356), (280, 245517), (420, 163678), (840, 81839)]