8617140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{977}}^1$

素因数の和:1006

約数の個数: 108

約数和(自身を含む): 30437316

約数和(自身を除く): 21820176

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 977, 980, 1260, 1470, 1764, 1954, 2205, 2931, 2940, 3908, 4410, 4885, 5862, 6839, 8793, 8820, 9770, 11724, 13678, 14655, 17586, 19540, 20517, 27356, 29310, 34195, 35172, 41034, 43965, 47873, 58620, 61551, 68390, 82068, 87930, 95746, 102585, 123102, 136780, 143619, 175860, 191492, 205170, 239365, 246204, 287238, 307755, 410340, 430857, 478730, 574476, 615510, 718095, 861714, 957460, 1231020, 1436190, 1723428, 2154285, 2872380, 4308570, 8617140]

約数ペア:

[(1, 8617140), (2, 4308570), (3, 2872380), (4, 2154285), (5, 1723428), (6, 1436190), (7, 1231020), (9, 957460), (10, 861714), (12, 718095), (14, 615510), (15, 574476), (18, 478730), (20, 430857), (21, 410340), (28, 307755), (30, 287238), (35, 246204), (36, 239365), (42, 205170), (45, 191492), (49, 175860), (60, 143619), (63, 136780), (70, 123102), (84, 102585), (90, 95746), (98, 87930), (105, 82068), (126, 68390), (140, 61551), (147, 58620), (180, 47873), (196, 43965), (210, 41034), (245, 35172), (252, 34195), (294, 29310), (315, 27356), (420, 20517), (441, 19540), (490, 17586), (588, 14655), (630, 13678), (735, 11724), (882, 9770), (977, 8820), (980, 8793), (1260, 6839), (1470, 5862), (1764, 4885), (1954, 4410), (2205, 3908), (2931, 2940)]