181407720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{1129}}^1$

素因数の和:1259

約数の個数: 128

約数和(自身を含む): 592300800

約数和(自身を除く): 410893080

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, 1129, 1236, 1339, 1545, 1560, 2060, 2258, 2472, 2678, 3090, 3387, 4017, 4120, 4516, 5356, 5645, 6180, 6695, 6774, 8034, 9032, 10712, 11290, 12360, 13390, 13548, 14677, 16068, 16935, 20085, 22580, 26780, 27096, 29354, 32136, 33870, 40170, 44031, 45160, 53560, 58708, 67740, 73385, 80340, 88062, 116287, 117416, 135480, 146770, 160680, 176124, 220155, 232574, 293540, 348861, 352248, 440310, 465148, 581435, 587080, 697722, 880620, 930296, 1162870, 1395444, 1511731, 1744305, 1761240, 2325740, 2790888, 3023462, 3488610, 4535193, 4651480, 6046924, 6977220, 7558655, 9070386, 12093848, 13954440, 15117310, 18140772, 22675965, 30234620, 36281544, 45351930, 60469240, 90703860, 181407720]

約数ペア:

[(1, 181407720), (2, 90703860), (3, 60469240), (4, 45351930), (5, 36281544), (6, 30234620), (8, 22675965), (10, 18140772), (12, 15117310), (13, 13954440), (15, 12093848), (20, 9070386), (24, 7558655), (26, 6977220), (30, 6046924), (39, 4651480), (40, 4535193), (52, 3488610), (60, 3023462), (65, 2790888), (78, 2325740), (103, 1761240), (104, 1744305), (120, 1511731), (130, 1395444), (156, 1162870), (195, 930296), (206, 880620), (260, 697722), (309, 587080), (312, 581435), (390, 465148), (412, 440310), (515, 352248), (520, 348861), (618, 293540), (780, 232574), (824, 220155), (1030, 176124), (1129, 160680), (1236, 146770), (1339, 135480), (1545, 117416), (1560, 116287), (2060, 88062), (2258, 80340), (2472, 73385), (2678, 67740), (3090, 58708), (3387, 53560), (4017, 45160), (4120, 44031), (4516, 40170), (5356, 33870), (5645, 32136), (6180, 29354), (6695, 27096), (6774, 26780), (8034, 22580), (9032, 20085), (10712, 16935), (11290, 16068), (12360, 14677), (13390, 13548)]