249666560

素因数分解:

$2^{10}\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:91

約数の個数: 264

約数和(自身を含む): 731810688

約数和(自身を除く): 482144128

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 31, 32, 40, 44, 52, 55, 62, 64, 65, 80, 88, 104, 110, 121, 124, 128, 130, 143, 155, 160, 176, 208, 220, 242, 248, 256, 260, 286, 310, 320, 341, 352, 403, 416, 440, 484, 496, 512, 520, 572, 605, 620, 640, 682, 704, 715, 806, 832, 880, 968, 992, 1024, 1040, 1144, 1210, 1240, 1280, 1364, 1408, 1430, 1573, 1612, 1664, 1705, 1760, 1936, 1984, 2015, 2080, 2288, 2420, 2480, 2560, 2728, 2816, 2860, 3146, 3224, 3328, 3410, 3520, 3751, 3872, 3968, 4030, 4160, 4433, 4576, 4840, 4960, 5120, 5456, 5632, 5720, 6292, 6448, 6656, 6820, 7040, 7502, 7744, 7865, 7936, 8060, 8320, 8866, 9152, 9680, 9920, 10912, 11264, 11440, 12584, 12896, 13312, 13640, 14080, 15004, 15488, 15730, 15872, 16120, 16640, 17732, 18304, 18755, 19360, 19840, 21824, 22165, 22880, 25168, 25792, 27280, 28160, 30008, 30976, 31460, 31744, 32240, 33280, 35464, 36608, 37510, 38720, 39680, 43648, 44330, 45760, 48763, 50336, 51584, 54560, 56320, 60016, 61952, 62920, 64480, 66560, 70928, 73216, 75020, 77440, 79360, 87296, 88660, 91520, 97526, 100672, 103168, 109120, 120032, 123904, 125840, 128960, 141856, 146432, 150040, 154880, 158720, 174592, 177320, 183040, 195052, 201344, 206336, 218240, 240064, 243815, 251680, 257920, 283712, 300080, 309760, 349184, 354640, 366080, 390104, 402688, 412672, 436480, 480128, 487630, 503360, 515840, 567424, 600160, 619520, 709280, 732160, 780208, 805376, 872960, 960256, 975260, 1006720, 1031680, 1134848, 1200320, 1418560, 1560416, 1610752, 1745920, 1920512, 1950520, 2013440, 2063360, 2269696, 2400640, 2837120, 3120832, 3841024, 3901040, 4026880, 4539392, 4801280, 5674240, 6241664, 7802080, 8053760, 9602560, 11348480, 12483328, 15604160, 19205120, 22696960, 24966656, 31208320, 49933312, 62416640, 124833280, 249666560]

約数ペア:

[(1, 249666560), (2, 124833280), (4, 62416640), (5, 49933312), (8, 31208320), (10, 24966656), (11, 22696960), (13, 19205120), (16, 15604160), (20, 12483328), (22, 11348480), (26, 9602560), (31, 8053760), (32, 7802080), (40, 6241664), (44, 5674240), (52, 4801280), (55, 4539392), (62, 4026880), (64, 3901040), (65, 3841024), (80, 3120832), (88, 2837120), (104, 2400640), (110, 2269696), (121, 2063360), (124, 2013440), (128, 1950520), (130, 1920512), (143, 1745920), (155, 1610752), (160, 1560416), (176, 1418560), (208, 1200320), (220, 1134848), (242, 1031680), (248, 1006720), (256, 975260), (260, 960256), (286, 872960), (310, 805376), (320, 780208), (341, 732160), (352, 709280), (403, 619520), (416, 600160), (440, 567424), (484, 515840), (496, 503360), (512, 487630), (520, 480128), (572, 436480), (605, 412672), (620, 402688), (640, 390104), (682, 366080), (704, 354640), (715, 349184), (806, 309760), (832, 300080), (880, 283712), (968, 257920), (992, 251680), (1024, 243815), (1040, 240064), (1144, 218240), (1210, 206336), (1240, 201344), (1280, 195052), (1364, 183040), (1408, 177320), (1430, 174592), (1573, 158720), (1612, 154880), (1664, 150040), (1705, 146432), (1760, 141856), (1936, 128960), (1984, 125840), (2015, 123904), (2080, 120032), (2288, 109120), (2420, 103168), (2480, 100672), (2560, 97526), (2728, 91520), (2816, 88660), (2860, 87296), (3146, 79360), (3224, 77440), (3328, 75020), (3410, 73216), (3520, 70928), (3751, 66560), (3872, 64480), (3968, 62920), (4030, 61952), (4160, 60016), (4433, 56320), (4576, 54560), (4840, 51584), (4960, 50336), (5120, 48763), (5456, 45760), (5632, 44330), (5720, 43648), (6292, 39680), (6448, 38720), (6656, 37510), (6820, 36608), (7040, 35464), (7502, 33280), (7744, 32240), (7865, 31744), (7936, 31460), (8060, 30976), (8320, 30008), (8866, 28160), (9152, 27280), (9680, 25792), (9920, 25168), (10912, 22880), (11264, 22165), (11440, 21824), (12584, 19840), (12896, 19360), (13312, 18755), (13640, 18304), (14080, 17732), (15004, 16640), (15488, 16120), (15730, 15872)]