278768520

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{258119}}^1$

素因数の和:258139

約数の個数: 64

約数和(自身を含む): 929232000

約数和(自身を除く): 650463480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 258119, 516238, 774357, 1032476, 1290595, 1548714, 2064952, 2323071, 2581190, 3097428, 3871785, 4646142, 5162380, 6194856, 6969213, 7743570, 9292284, 10324760, 11615355, 13938426, 15487140, 18584568, 23230710, 27876852, 30974280, 34846065, 46461420, 55753704, 69692130, 92922840, 139384260, 278768520]

約数ペア:

[(1, 278768520), (2, 139384260), (3, 92922840), (4, 69692130), (5, 55753704), (6, 46461420), (8, 34846065), (9, 30974280), (10, 27876852), (12, 23230710), (15, 18584568), (18, 15487140), (20, 13938426), (24, 11615355), (27, 10324760), (30, 9292284), (36, 7743570), (40, 6969213), (45, 6194856), (54, 5162380), (60, 4646142), (72, 3871785), (90, 3097428), (108, 2581190), (120, 2323071), (135, 2064952), (180, 1548714), (216, 1290595), (270, 1032476), (360, 774357), (540, 516238), (1080, 258119)]