1248658680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{191}}^1\times {\mathrm{347}}^1$

素因数の和:709

約数の個数: 128

約数和(自身を含む): 3800494080

約数和(自身を除く): 2551835400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 157, 191, 314, 347, 382, 471, 573, 628, 694, 764, 785, 942, 955, 1041, 1146, 1256, 1388, 1528, 1570, 1735, 1884, 1910, 2082, 2292, 2355, 2776, 2865, 3140, 3470, 3768, 3820, 4164, 4584, 4710, 5205, 5730, 6280, 6940, 7640, 8328, 9420, 10410, 11460, 13880, 18840, 20820, 22920, 29987, 41640, 54479, 59974, 66277, 89961, 108958, 119948, 132554, 149935, 163437, 179922, 198831, 217916, 239896, 265108, 272395, 299870, 326874, 331385, 359844, 397662, 435832, 449805, 530216, 544790, 599740, 653748, 662770, 719688, 795324, 817185, 899610, 994155, 1089580, 1199480, 1307496, 1325540, 1590648, 1634370, 1799220, 1988310, 2179160, 2651080, 3268740, 3598440, 3976620, 6537480, 7953240, 10405489, 20810978, 31216467, 41621956, 52027445, 62432934, 83243912, 104054890, 124865868, 156082335, 208109780, 249731736, 312164670, 416219560, 624329340, 1248658680]

約数ペア:

[(1, 1248658680), (2, 624329340), (3, 416219560), (4, 312164670), (5, 249731736), (6, 208109780), (8, 156082335), (10, 124865868), (12, 104054890), (15, 83243912), (20, 62432934), (24, 52027445), (30, 41621956), (40, 31216467), (60, 20810978), (120, 10405489), (157, 7953240), (191, 6537480), (314, 3976620), (347, 3598440), (382, 3268740), (471, 2651080), (573, 2179160), (628, 1988310), (694, 1799220), (764, 1634370), (785, 1590648), (942, 1325540), (955, 1307496), (1041, 1199480), (1146, 1089580), (1256, 994155), (1388, 899610), (1528, 817185), (1570, 795324), (1735, 719688), (1884, 662770), (1910, 653748), (2082, 599740), (2292, 544790), (2355, 530216), (2776, 449805), (2865, 435832), (3140, 397662), (3470, 359844), (3768, 331385), (3820, 326874), (4164, 299870), (4584, 272395), (4710, 265108), (5205, 239896), (5730, 217916), (6280, 198831), (6940, 179922), (7640, 163437), (8328, 149935), (9420, 132554), (10410, 119948), (11460, 108958), (13880, 89961), (18840, 66277), (20820, 59974), (22920, 54479), (29987, 41640)]