221628240

素因数分解:

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

素因数の和:307836

約数の個数: 60

約数和(自身を含む): 744303924

約数和(自身を除く): 522675684

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 307817, 615634, 923451, 1231268, 1539085, 1846902, 2462536, 2770353, 3078170, 3693804, 4617255, 4925072, 5540706, 6156340, 7387608, 9234510, 11081412, 12312680, 13851765, 14775216, 18469020, 22162824, 24625360, 27703530, 36938040, 44325648, 55407060, 73876080, 110814120, 221628240]

約数ペア:

[(1, 221628240), (2, 110814120), (3, 73876080), (4, 55407060), (5, 44325648), (6, 36938040), (8, 27703530), (9, 24625360), (10, 22162824), (12, 18469020), (15, 14775216), (16, 13851765), (18, 12312680), (20, 11081412), (24, 9234510), (30, 7387608), (36, 6156340), (40, 5540706), (45, 4925072), (48, 4617255), (60, 3693804), (72, 3078170), (80, 2770353), (90, 2462536), (120, 1846902), (144, 1539085), (180, 1231268), (240, 923451), (360, 615634), (720, 307817)]