870879780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1\times {\mathrm{347}}^1$

素因数の和:626

約数の個数: 144

約数和(自身を含む): 2699633664

約数和(自身を除く): 1828753884

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 73, 90, 146, 180, 191, 219, 292, 347, 365, 382, 438, 573, 657, 694, 730, 764, 876, 955, 1041, 1095, 1146, 1314, 1388, 1460, 1719, 1735, 1910, 2082, 2190, 2292, 2628, 2865, 3123, 3285, 3438, 3470, 3820, 4164, 4380, 5205, 5730, 6246, 6570, 6876, 6940, 8595, 10410, 11460, 12492, 13140, 13943, 15615, 17190, 20820, 25331, 27886, 31230, 34380, 41829, 50662, 55772, 62460, 66277, 69715, 75993, 83658, 101324, 125487, 126655, 132554, 139430, 151986, 167316, 198831, 209145, 227979, 250974, 253310, 265108, 278860, 303972, 331385, 379965, 397662, 418290, 455958, 501948, 506620, 596493, 627435, 662770, 759930, 795324, 836580, 911916, 994155, 1139895, 1192986, 1254870, 1325540, 1519860, 1988310, 2279790, 2385972, 2509740, 2982465, 3976620, 4559580, 4838221, 5964930, 9676442, 11929860, 14514663, 19352884, 24191105, 29029326, 43543989, 48382210, 58058652, 72573315, 87087978, 96764420, 145146630, 174175956, 217719945, 290293260, 435439890, 870879780]

約数ペア:

[(1, 870879780), (2, 435439890), (3, 290293260), (4, 217719945), (5, 174175956), (6, 145146630), (9, 96764420), (10, 87087978), (12, 72573315), (15, 58058652), (18, 48382210), (20, 43543989), (30, 29029326), (36, 24191105), (45, 19352884), (60, 14514663), (73, 11929860), (90, 9676442), (146, 5964930), (180, 4838221), (191, 4559580), (219, 3976620), (292, 2982465), (347, 2509740), (365, 2385972), (382, 2279790), (438, 1988310), (573, 1519860), (657, 1325540), (694, 1254870), (730, 1192986), (764, 1139895), (876, 994155), (955, 911916), (1041, 836580), (1095, 795324), (1146, 759930), (1314, 662770), (1388, 627435), (1460, 596493), (1719, 506620), (1735, 501948), (1910, 455958), (2082, 418290), (2190, 397662), (2292, 379965), (2628, 331385), (2865, 303972), (3123, 278860), (3285, 265108), (3438, 253310), (3470, 250974), (3820, 227979), (4164, 209145), (4380, 198831), (5205, 167316), (5730, 151986), (6246, 139430), (6570, 132554), (6876, 126655), (6940, 125487), (8595, 101324), (10410, 83658), (11460, 75993), (12492, 69715), (13140, 66277), (13943, 62460), (15615, 55772), (17190, 50662), (20820, 41829), (25331, 34380), (27886, 31230)]