398480640

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2531}}^1$

素因数の和:2596

約数の個数: 144

約数和(自身を含む): 1304202816

約数和(自身を除く): 905722176

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 41, 48, 60, 64, 80, 82, 96, 120, 123, 128, 160, 164, 192, 205, 240, 246, 256, 320, 328, 384, 410, 480, 492, 615, 640, 656, 768, 820, 960, 984, 1230, 1280, 1312, 1640, 1920, 1968, 2460, 2531, 2624, 3280, 3840, 3936, 4920, 5062, 5248, 6560, 7593, 7872, 9840, 10124, 10496, 12655, 13120, 15186, 15744, 19680, 20248, 25310, 26240, 30372, 31488, 37965, 39360, 40496, 50620, 52480, 60744, 75930, 78720, 80992, 101240, 103771, 121488, 151860, 157440, 161984, 202480, 207542, 242976, 303720, 311313, 323968, 404960, 415084, 485952, 518855, 607440, 622626, 647936, 809920, 830168, 971904, 1037710, 1214880, 1245252, 1556565, 1619840, 1660336, 1943808, 2075420, 2429760, 2490504, 3113130, 3239680, 3320672, 4150840, 4859520, 4981008, 6226260, 6641344, 8301680, 9719040, 9962016, 12452520, 13282688, 16603360, 19924032, 24905040, 26565376, 33206720, 39848064, 49810080, 66413440, 79696128, 99620160, 132826880, 199240320, 398480640]

約数ペア:

[(1, 398480640), (2, 199240320), (3, 132826880), (4, 99620160), (5, 79696128), (6, 66413440), (8, 49810080), (10, 39848064), (12, 33206720), (15, 26565376), (16, 24905040), (20, 19924032), (24, 16603360), (30, 13282688), (32, 12452520), (40, 9962016), (41, 9719040), (48, 8301680), (60, 6641344), (64, 6226260), (80, 4981008), (82, 4859520), (96, 4150840), (120, 3320672), (123, 3239680), (128, 3113130), (160, 2490504), (164, 2429760), (192, 2075420), (205, 1943808), (240, 1660336), (246, 1619840), (256, 1556565), (320, 1245252), (328, 1214880), (384, 1037710), (410, 971904), (480, 830168), (492, 809920), (615, 647936), (640, 622626), (656, 607440), (768, 518855), (820, 485952), (960, 415084), (984, 404960), (1230, 323968), (1280, 311313), (1312, 303720), (1640, 242976), (1920, 207542), (1968, 202480), (2460, 161984), (2531, 157440), (2624, 151860), (3280, 121488), (3840, 103771), (3936, 101240), (4920, 80992), (5062, 78720), (5248, 75930), (6560, 60744), (7593, 52480), (7872, 50620), (9840, 40496), (10124, 39360), (10496, 37965), (12655, 31488), (13120, 30372), (15186, 26240), (15744, 25310), (19680, 20248)]