240540240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{373}}^1\times {\mathrm{2687}}^1$

素因数の和:3076

約数の個数: 80

約数和(自身を含む): 747952128

約数和(自身を除く): 507411888

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 373, 746, 1119, 1492, 1865, 2238, 2687, 2984, 3730, 4476, 5374, 5595, 5968, 7460, 8061, 8952, 10748, 11190, 13435, 14920, 16122, 17904, 21496, 22380, 26870, 29840, 32244, 40305, 42992, 44760, 53740, 64488, 80610, 89520, 107480, 128976, 161220, 214960, 322440, 644880, 1002251, 2004502, 3006753, 4009004, 5011255, 6013506, 8018008, 10022510, 12027012, 15033765, 16036016, 20045020, 24054024, 30067530, 40090040, 48108048, 60135060, 80180080, 120270120, 240540240]

約数ペア:

[(1, 240540240), (2, 120270120), (3, 80180080), (4, 60135060), (5, 48108048), (6, 40090040), (8, 30067530), (10, 24054024), (12, 20045020), (15, 16036016), (16, 15033765), (20, 12027012), (24, 10022510), (30, 8018008), (40, 6013506), (48, 5011255), (60, 4009004), (80, 3006753), (120, 2004502), (240, 1002251), (373, 644880), (746, 322440), (1119, 214960), (1492, 161220), (1865, 128976), (2238, 107480), (2687, 89520), (2984, 80610), (3730, 64488), (4476, 53740), (5374, 44760), (5595, 42992), (5968, 40305), (7460, 32244), (8061, 29840), (8952, 26870), (10748, 22380), (11190, 21496), (13435, 17904), (14920, 16122)]