128766120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{359}}^1$

素因数の和:448

約数の個数: 192

約数和(自身を含む): 458006400

約数和(自身を除く): 329240280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 61, 70, 84, 98, 105, 120, 122, 140, 147, 168, 183, 196, 210, 244, 245, 280, 294, 305, 359, 366, 392, 420, 427, 488, 490, 588, 610, 718, 732, 735, 840, 854, 915, 980, 1077, 1176, 1220, 1281, 1436, 1464, 1470, 1708, 1795, 1830, 1960, 2135, 2154, 2440, 2513, 2562, 2872, 2940, 2989, 3416, 3590, 3660, 4270, 4308, 5026, 5124, 5385, 5880, 5978, 6405, 7180, 7320, 7539, 8540, 8616, 8967, 10052, 10248, 10770, 11956, 12565, 12810, 14360, 14945, 15078, 17080, 17591, 17934, 20104, 21540, 21899, 23912, 25130, 25620, 29890, 30156, 35182, 35868, 37695, 43080, 43798, 44835, 50260, 51240, 52773, 59780, 60312, 65697, 70364, 71736, 75390, 87596, 87955, 89670, 100520, 105546, 109495, 119560, 131394, 140728, 150780, 153293, 175192, 175910, 179340, 211092, 218990, 262788, 263865, 301560, 306586, 328485, 351820, 358680, 422184, 437980, 459879, 525576, 527730, 613172, 656970, 703640, 766465, 875960, 919758, 1055460, 1073051, 1226344, 1313940, 1532930, 1839516, 2110920, 2146102, 2299395, 2627880, 3065860, 3219153, 3679032, 4292204, 4598790, 5365255, 6131720, 6438306, 8584408, 9197580, 10730510, 12876612, 16095765, 18395160, 21461020, 25753224, 32191530, 42922040, 64383060, 128766120]

約数ペア:

[(1, 128766120), (2, 64383060), (3, 42922040), (4, 32191530), (5, 25753224), (6, 21461020), (7, 18395160), (8, 16095765), (10, 12876612), (12, 10730510), (14, 9197580), (15, 8584408), (20, 6438306), (21, 6131720), (24, 5365255), (28, 4598790), (30, 4292204), (35, 3679032), (40, 3219153), (42, 3065860), (49, 2627880), (56, 2299395), (60, 2146102), (61, 2110920), (70, 1839516), (84, 1532930), (98, 1313940), (105, 1226344), (120, 1073051), (122, 1055460), (140, 919758), (147, 875960), (168, 766465), (183, 703640), (196, 656970), (210, 613172), (244, 527730), (245, 525576), (280, 459879), (294, 437980), (305, 422184), (359, 358680), (366, 351820), (392, 328485), (420, 306586), (427, 301560), (488, 263865), (490, 262788), (588, 218990), (610, 211092), (718, 179340), (732, 175910), (735, 175192), (840, 153293), (854, 150780), (915, 140728), (980, 131394), (1077, 119560), (1176, 109495), (1220, 105546), (1281, 100520), (1436, 89670), (1464, 87955), (1470, 87596), (1708, 75390), (1795, 71736), (1830, 70364), (1960, 65697), (2135, 60312), (2154, 59780), (2440, 52773), (2513, 51240), (2562, 50260), (2872, 44835), (2940, 43798), (2989, 43080), (3416, 37695), (3590, 35868), (3660, 35182), (4270, 30156), (4308, 29890), (5026, 25620), (5124, 25130), (5385, 23912), (5880, 21899), (5978, 21540), (6405, 20104), (7180, 17934), (7320, 17591), (7539, 17080), (8540, 15078), (8616, 14945), (8967, 14360), (10052, 12810), (10248, 12565), (10770, 11956)]