278340240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{15887}}^1$

素因数の和:15976

約数の個数: 80

約数和(自身を含む): 874729728

約数和(自身を除く): 596389488

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 73, 80, 120, 146, 219, 240, 292, 365, 438, 584, 730, 876, 1095, 1168, 1460, 1752, 2190, 2920, 3504, 4380, 5840, 8760, 15887, 17520, 31774, 47661, 63548, 79435, 95322, 127096, 158870, 190644, 238305, 254192, 317740, 381288, 476610, 635480, 762576, 953220, 1159751, 1270960, 1906440, 2319502, 3479253, 3812880, 4639004, 5798755, 6958506, 9278008, 11597510, 13917012, 17396265, 18556016, 23195020, 27834024, 34792530, 46390040, 55668048, 69585060, 92780080, 139170120, 278340240]

約数ペア:

[(1, 278340240), (2, 139170120), (3, 92780080), (4, 69585060), (5, 55668048), (6, 46390040), (8, 34792530), (10, 27834024), (12, 23195020), (15, 18556016), (16, 17396265), (20, 13917012), (24, 11597510), (30, 9278008), (40, 6958506), (48, 5798755), (60, 4639004), (73, 3812880), (80, 3479253), (120, 2319502), (146, 1906440), (219, 1270960), (240, 1159751), (292, 953220), (365, 762576), (438, 635480), (584, 476610), (730, 381288), (876, 317740), (1095, 254192), (1168, 238305), (1460, 190644), (1752, 158870), (2190, 127096), (2920, 95322), (3504, 79435), (4380, 63548), (5840, 47661), (8760, 31774), (15887, 17520)]