231540240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{31121}}^1$

素因数の和:31168

約数の個数: 80

約数和(自身を含む): 740952576

約数和(自身を除く): 509412336

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 31121, 62242, 93363, 124484, 155605, 186726, 248968, 311210, 373452, 466815, 497936, 622420, 746904, 933630, 964751, 1244840, 1493808, 1867260, 1929502, 2489680, 2894253, 3734520, 3859004, 4823755, 5788506, 7469040, 7718008, 9647510, 11577012, 14471265, 15436016, 19295020, 23154024, 28942530, 38590040, 46308048, 57885060, 77180080, 115770120, 231540240]

約数ペア:

[(1, 231540240), (2, 115770120), (3, 77180080), (4, 57885060), (5, 46308048), (6, 38590040), (8, 28942530), (10, 23154024), (12, 19295020), (15, 15436016), (16, 14471265), (20, 11577012), (24, 9647510), (30, 7718008), (31, 7469040), (40, 5788506), (48, 4823755), (60, 3859004), (62, 3734520), (80, 2894253), (93, 2489680), (120, 1929502), (124, 1867260), (155, 1493808), (186, 1244840), (240, 964751), (248, 933630), (310, 746904), (372, 622420), (465, 497936), (496, 466815), (620, 373452), (744, 311210), (930, 248968), (1240, 186726), (1488, 155605), (1860, 124484), (2480, 93363), (3720, 62242), (7440, 31121)]