664884720

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{307817}}^1$

素因数の和:307839

約数の個数: 80

約数和(自身を含む): 2290165920

約数和(自身を除く): 1625281200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 307817, 615634, 923451, 1231268, 1539085, 1846902, 2462536, 2770353, 3078170, 3693804, 4617255, 4925072, 5540706, 6156340, 7387608, 8311059, 9234510, 11081412, 12312680, 13851765, 14775216, 16622118, 18469020, 22162824, 24625360, 27703530, 33244236, 36938040, 41555295, 44325648, 55407060, 66488472, 73876080, 83110590, 110814120, 132976944, 166221180, 221628240, 332442360, 664884720]

約数ペア:

[(1, 664884720), (2, 332442360), (3, 221628240), (4, 166221180), (5, 132976944), (6, 110814120), (8, 83110590), (9, 73876080), (10, 66488472), (12, 55407060), (15, 44325648), (16, 41555295), (18, 36938040), (20, 33244236), (24, 27703530), (27, 24625360), (30, 22162824), (36, 18469020), (40, 16622118), (45, 14775216), (48, 13851765), (54, 12312680), (60, 11081412), (72, 9234510), (80, 8311059), (90, 7387608), (108, 6156340), (120, 5540706), (135, 4925072), (144, 4617255), (180, 3693804), (216, 3078170), (240, 2770353), (270, 2462536), (360, 1846902), (432, 1539085), (540, 1231268), (720, 923451), (1080, 615634), (2160, 307817)]