399598680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8263}}^1$

素因数の和:8321

約数の個数: 128

約数和(自身を含む): 1332817920

約数和(自身を除く): 933219240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 31, 39, 40, 52, 60, 62, 65, 78, 93, 104, 120, 124, 130, 155, 156, 186, 195, 248, 260, 310, 312, 372, 390, 403, 465, 520, 620, 744, 780, 806, 930, 1209, 1240, 1560, 1612, 1860, 2015, 2418, 3224, 3720, 4030, 4836, 6045, 8060, 8263, 9672, 12090, 16120, 16526, 24180, 24789, 33052, 41315, 48360, 49578, 66104, 82630, 99156, 107419, 123945, 165260, 198312, 214838, 247890, 256153, 322257, 330520, 429676, 495780, 512306, 537095, 644514, 768459, 859352, 991560, 1024612, 1074190, 1280765, 1289028, 1536918, 1611285, 2049224, 2148380, 2561530, 2578056, 3073836, 3222570, 3329989, 3842295, 4296760, 5123060, 6147672, 6445140, 6659978, 7684590, 9989967, 10246120, 12890280, 13319956, 15369180, 16649945, 19979934, 26639912, 30738360, 33299890, 39959868, 49949835, 66599780, 79919736, 99899670, 133199560, 199799340, 399598680]

約数ペア:

[(1, 399598680), (2, 199799340), (3, 133199560), (4, 99899670), (5, 79919736), (6, 66599780), (8, 49949835), (10, 39959868), (12, 33299890), (13, 30738360), (15, 26639912), (20, 19979934), (24, 16649945), (26, 15369180), (30, 13319956), (31, 12890280), (39, 10246120), (40, 9989967), (52, 7684590), (60, 6659978), (62, 6445140), (65, 6147672), (78, 5123060), (93, 4296760), (104, 3842295), (120, 3329989), (124, 3222570), (130, 3073836), (155, 2578056), (156, 2561530), (186, 2148380), (195, 2049224), (248, 1611285), (260, 1536918), (310, 1289028), (312, 1280765), (372, 1074190), (390, 1024612), (403, 991560), (465, 859352), (520, 768459), (620, 644514), (744, 537095), (780, 512306), (806, 495780), (930, 429676), (1209, 330520), (1240, 322257), (1560, 256153), (1612, 247890), (1860, 214838), (2015, 198312), (2418, 165260), (3224, 123945), (3720, 107419), (4030, 99156), (4836, 82630), (6045, 66104), (8060, 49578), (8263, 48360), (9672, 41315), (12090, 33052), (16120, 24789), (16526, 24180)]