25387440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:211

約数の個数: 160

約数和(自身を含む): 86661120

約数和(自身を除く): 61273680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 79, 80, 103, 104, 120, 130, 156, 158, 195, 206, 208, 237, 240, 260, 309, 312, 316, 390, 395, 412, 474, 515, 520, 618, 624, 632, 780, 790, 824, 948, 1027, 1030, 1040, 1185, 1236, 1264, 1339, 1545, 1560, 1580, 1648, 1896, 2054, 2060, 2370, 2472, 2678, 3081, 3090, 3120, 3160, 3792, 4017, 4108, 4120, 4740, 4944, 5135, 5356, 6162, 6180, 6320, 6695, 8034, 8137, 8216, 8240, 9480, 10270, 10712, 12324, 12360, 13390, 15405, 16068, 16274, 16432, 18960, 20085, 20540, 21424, 24411, 24648, 24720, 26780, 30810, 32136, 32548, 40170, 40685, 41080, 48822, 49296, 53560, 61620, 64272, 65096, 80340, 81370, 82160, 97644, 105781, 107120, 122055, 123240, 130192, 160680, 162740, 195288, 211562, 244110, 246480, 317343, 321360, 325480, 390576, 423124, 488220, 528905, 634686, 650960, 846248, 976440, 1057810, 1269372, 1586715, 1692496, 1952880, 2115620, 2538744, 3173430, 4231240, 5077488, 6346860, 8462480, 12693720, 25387440]

約数ペア:

[(1, 25387440), (2, 12693720), (3, 8462480), (4, 6346860), (5, 5077488), (6, 4231240), (8, 3173430), (10, 2538744), (12, 2115620), (13, 1952880), (15, 1692496), (16, 1586715), (20, 1269372), (24, 1057810), (26, 976440), (30, 846248), (39, 650960), (40, 634686), (48, 528905), (52, 488220), (60, 423124), (65, 390576), (78, 325480), (79, 321360), (80, 317343), (103, 246480), (104, 244110), (120, 211562), (130, 195288), (156, 162740), (158, 160680), (195, 130192), (206, 123240), (208, 122055), (237, 107120), (240, 105781), (260, 97644), (309, 82160), (312, 81370), (316, 80340), (390, 65096), (395, 64272), (412, 61620), (474, 53560), (515, 49296), (520, 48822), (618, 41080), (624, 40685), (632, 40170), (780, 32548), (790, 32136), (824, 30810), (948, 26780), (1027, 24720), (1030, 24648), (1040, 24411), (1185, 21424), (1236, 20540), (1264, 20085), (1339, 18960), (1545, 16432), (1560, 16274), (1580, 16068), (1648, 15405), (1896, 13390), (2054, 12360), (2060, 12324), (2370, 10712), (2472, 10270), (2678, 9480), (3081, 8240), (3090, 8216), (3120, 8137), (3160, 8034), (3792, 6695), (4017, 6320), (4108, 6180), (4120, 6162), (4740, 5356), (4944, 5135)]