128347440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1327}}^1$

素因数の和:1387

約数の個数: 160

約数和(自身を含む): 442638336

約数和(自身を除く): 314290896

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 31, 39, 40, 48, 52, 60, 62, 65, 78, 80, 93, 104, 120, 124, 130, 155, 156, 186, 195, 208, 240, 248, 260, 310, 312, 372, 390, 403, 465, 496, 520, 620, 624, 744, 780, 806, 930, 1040, 1209, 1240, 1327, 1488, 1560, 1612, 1860, 2015, 2418, 2480, 2654, 3120, 3224, 3720, 3981, 4030, 4836, 5308, 6045, 6448, 6635, 7440, 7962, 8060, 9672, 10616, 12090, 13270, 15924, 16120, 17251, 19344, 19905, 21232, 24180, 26540, 31848, 32240, 34502, 39810, 41137, 48360, 51753, 53080, 63696, 69004, 79620, 82274, 86255, 96720, 103506, 106160, 123411, 138008, 159240, 164548, 172510, 205685, 207012, 246822, 258765, 276016, 318480, 329096, 345020, 411370, 414024, 493644, 517530, 534781, 617055, 658192, 690040, 822740, 828048, 987288, 1035060, 1069562, 1234110, 1380080, 1604343, 1645480, 1974576, 2070120, 2139124, 2468220, 2673905, 3208686, 3290960, 4140240, 4278248, 4936440, 5347810, 6417372, 8021715, 8556496, 9872880, 10695620, 12834744, 16043430, 21391240, 25669488, 32086860, 42782480, 64173720, 128347440]

約数ペア:

[(1, 128347440), (2, 64173720), (3, 42782480), (4, 32086860), (5, 25669488), (6, 21391240), (8, 16043430), (10, 12834744), (12, 10695620), (13, 9872880), (15, 8556496), (16, 8021715), (20, 6417372), (24, 5347810), (26, 4936440), (30, 4278248), (31, 4140240), (39, 3290960), (40, 3208686), (48, 2673905), (52, 2468220), (60, 2139124), (62, 2070120), (65, 1974576), (78, 1645480), (80, 1604343), (93, 1380080), (104, 1234110), (120, 1069562), (124, 1035060), (130, 987288), (155, 828048), (156, 822740), (186, 690040), (195, 658192), (208, 617055), (240, 534781), (248, 517530), (260, 493644), (310, 414024), (312, 411370), (372, 345020), (390, 329096), (403, 318480), (465, 276016), (496, 258765), (520, 246822), (620, 207012), (624, 205685), (744, 172510), (780, 164548), (806, 159240), (930, 138008), (1040, 123411), (1209, 106160), (1240, 103506), (1327, 96720), (1488, 86255), (1560, 82274), (1612, 79620), (1860, 69004), (2015, 63696), (2418, 53080), (2480, 51753), (2654, 48360), (3120, 41137), (3224, 39810), (3720, 34502), (3981, 32240), (4030, 31848), (4836, 26540), (5308, 24180), (6045, 21232), (6448, 19905), (6635, 19344), (7440, 17251), (7962, 16120), (8060, 15924), (9672, 13270), (10616, 12090)]