247929240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{1543}}^1$

素因数の和:1673

約数の個数: 128

約数和(自身を含む): 809303040

約数和(自身を除く): 561373800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 103, 104, 120, 130, 156, 195, 206, 260, 309, 312, 390, 412, 515, 520, 618, 780, 824, 1030, 1236, 1339, 1543, 1545, 1560, 2060, 2472, 2678, 3086, 3090, 4017, 4120, 4629, 5356, 6172, 6180, 6695, 7715, 8034, 9258, 10712, 12344, 12360, 13390, 15430, 16068, 18516, 20059, 20085, 23145, 26780, 30860, 32136, 37032, 40118, 40170, 46290, 53560, 60177, 61720, 80236, 80340, 92580, 100295, 120354, 158929, 160472, 160680, 185160, 200590, 240708, 300885, 317858, 401180, 476787, 481416, 601770, 635716, 794645, 802360, 953574, 1203540, 1271432, 1589290, 1907148, 2066077, 2383935, 2407080, 3178580, 3814296, 4132154, 4767870, 6198231, 6357160, 8264308, 9535740, 10330385, 12396462, 16528616, 19071480, 20660770, 24792924, 30991155, 41321540, 49585848, 61982310, 82643080, 123964620, 247929240]

約数ペア:

[(1, 247929240), (2, 123964620), (3, 82643080), (4, 61982310), (5, 49585848), (6, 41321540), (8, 30991155), (10, 24792924), (12, 20660770), (13, 19071480), (15, 16528616), (20, 12396462), (24, 10330385), (26, 9535740), (30, 8264308), (39, 6357160), (40, 6198231), (52, 4767870), (60, 4132154), (65, 3814296), (78, 3178580), (103, 2407080), (104, 2383935), (120, 2066077), (130, 1907148), (156, 1589290), (195, 1271432), (206, 1203540), (260, 953574), (309, 802360), (312, 794645), (390, 635716), (412, 601770), (515, 481416), (520, 476787), (618, 401180), (780, 317858), (824, 300885), (1030, 240708), (1236, 200590), (1339, 185160), (1543, 160680), (1545, 160472), (1560, 158929), (2060, 120354), (2472, 100295), (2678, 92580), (3086, 80340), (3090, 80236), (4017, 61720), (4120, 60177), (4629, 53560), (5356, 46290), (6172, 40170), (6180, 40118), (6695, 37032), (7715, 32136), (8034, 30860), (9258, 26780), (10712, 23145), (12344, 20085), (12360, 20059), (13390, 18516), (15430, 16068)]