215867760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{3319}}^1$

素因数の和:3606

約数の個数: 80

約数和(自身を含む): 671861760

約数和(自身を除く): 455994000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 271, 542, 813, 1084, 1355, 1626, 2168, 2710, 3252, 3319, 4065, 4336, 5420, 6504, 6638, 8130, 9957, 10840, 13008, 13276, 16260, 16595, 19914, 21680, 26552, 32520, 33190, 39828, 49785, 53104, 65040, 66380, 79656, 99570, 132760, 159312, 199140, 265520, 398280, 796560, 899449, 1798898, 2698347, 3597796, 4497245, 5396694, 7195592, 8994490, 10793388, 13491735, 14391184, 17988980, 21586776, 26983470, 35977960, 43173552, 53966940, 71955920, 107933880, 215867760]

約数ペア:

[(1, 215867760), (2, 107933880), (3, 71955920), (4, 53966940), (5, 43173552), (6, 35977960), (8, 26983470), (10, 21586776), (12, 17988980), (15, 14391184), (16, 13491735), (20, 10793388), (24, 8994490), (30, 7195592), (40, 5396694), (48, 4497245), (60, 3597796), (80, 2698347), (120, 1798898), (240, 899449), (271, 796560), (542, 398280), (813, 265520), (1084, 199140), (1355, 159312), (1626, 132760), (2168, 99570), (2710, 79656), (3252, 66380), (3319, 65040), (4065, 53104), (4336, 49785), (5420, 39828), (6504, 33190), (6638, 32520), (8130, 26552), (9957, 21680), (10840, 19914), (13008, 16595), (13276, 16260)]