19085008640

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{2687}}^1$

素因数の和:2918

約数の個数: 144

約数和(自身を含む): 47470510080

約数和(自身を除く): 28385501440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 179, 248, 256, 310, 320, 358, 496, 620, 640, 716, 895, 992, 1240, 1280, 1432, 1790, 1984, 2480, 2687, 2864, 3580, 3968, 4960, 5374, 5549, 5728, 7160, 7936, 9920, 10748, 11098, 11456, 13435, 14320, 19840, 21496, 22196, 22912, 26870, 27745, 28640, 39680, 42992, 44392, 45824, 53740, 55490, 57280, 83297, 85984, 88784, 107480, 110980, 114560, 166594, 171968, 177568, 214960, 221960, 229120, 333188, 343936, 355136, 416485, 429920, 443920, 480973, 666376, 687872, 710272, 832970, 859840, 887840, 961946, 1332752, 1420544, 1665940, 1719680, 1775680, 1923892, 2404865, 2665504, 3331880, 3439360, 3551360, 3847784, 4809730, 5331008, 6663760, 7102720, 7695568, 9619460, 10662016, 13327520, 14910163, 15391136, 19238920, 21324032, 26655040, 29820326, 30782272, 38477840, 53310080, 59640652, 61564544, 74550815, 76955680, 106620160, 119281304, 123129088, 149101630, 153911360, 238562608, 298203260, 307822720, 477125216, 596406520, 615645440, 954250432, 1192813040, 1908500864, 2385626080, 3817001728, 4771252160, 9542504320, 19085008640]

約数ペア:

[(1, 19085008640), (2, 9542504320), (4, 4771252160), (5, 3817001728), (8, 2385626080), (10, 1908500864), (16, 1192813040), (20, 954250432), (31, 615645440), (32, 596406520), (40, 477125216), (62, 307822720), (64, 298203260), (80, 238562608), (124, 153911360), (128, 149101630), (155, 123129088), (160, 119281304), (179, 106620160), (248, 76955680), (256, 74550815), (310, 61564544), (320, 59640652), (358, 53310080), (496, 38477840), (620, 30782272), (640, 29820326), (716, 26655040), (895, 21324032), (992, 19238920), (1240, 15391136), (1280, 14910163), (1432, 13327520), (1790, 10662016), (1984, 9619460), (2480, 7695568), (2687, 7102720), (2864, 6663760), (3580, 5331008), (3968, 4809730), (4960, 3847784), (5374, 3551360), (5549, 3439360), (5728, 3331880), (7160, 2665504), (7936, 2404865), (9920, 1923892), (10748, 1775680), (11098, 1719680), (11456, 1665940), (13435, 1420544), (14320, 1332752), (19840, 961946), (21496, 887840), (22196, 859840), (22912, 832970), (26870, 710272), (27745, 687872), (28640, 666376), (39680, 480973), (42992, 443920), (44392, 429920), (45824, 416485), (53740, 355136), (55490, 343936), (57280, 333188), (83297, 229120), (85984, 221960), (88784, 214960), (107480, 177568), (110980, 171968), (114560, 166594)]