1021985680

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:150

約数の個数: 240

約数和(自身を含む): 2764823040

約数和(自身を除く): 1742837360

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 31, 38, 40, 41, 46, 62, 76, 80, 82, 92, 95, 115, 124, 152, 155, 164, 184, 190, 205, 230, 248, 304, 310, 328, 368, 380, 410, 437, 460, 496, 529, 589, 620, 656, 713, 760, 779, 820, 874, 920, 943, 1058, 1178, 1240, 1271, 1426, 1520, 1558, 1640, 1748, 1840, 1886, 2116, 2185, 2356, 2480, 2542, 2645, 2852, 2945, 3116, 3280, 3496, 3565, 3772, 3895, 4232, 4370, 4712, 4715, 5084, 5290, 5704, 5890, 6232, 6355, 6992, 7130, 7544, 7790, 8464, 8740, 9424, 9430, 10051, 10168, 10580, 11408, 11780, 12464, 12710, 13547, 14260, 15088, 15580, 16399, 17480, 17917, 18860, 20102, 20336, 21160, 21689, 23560, 24149, 25420, 27094, 28520, 29233, 31160, 32798, 34960, 35834, 37720, 40204, 42320, 43378, 47120, 48298, 50255, 50840, 54188, 57040, 58466, 62320, 65596, 67735, 71668, 75440, 80408, 81995, 86756, 89585, 96596, 100510, 101680, 108376, 108445, 116932, 120745, 131192, 135470, 143336, 146165, 160816, 163990, 173512, 179170, 193192, 201020, 216752, 216890, 233864, 241490, 262384, 270940, 286672, 292330, 311581, 327980, 347024, 358340, 386384, 402040, 412091, 433780, 467728, 482980, 541880, 555427, 584660, 623162, 655960, 672359, 716680, 804080, 824182, 867560, 965960, 1083760, 1110854, 1169320, 1246324, 1311920, 1344718, 1433360, 1557905, 1648364, 1735120, 1931920, 2060455, 2221708, 2338640, 2492648, 2689436, 2777135, 3115810, 3296728, 3361795, 4120910, 4443416, 4985296, 5378872, 5554270, 6231620, 6593456, 6723590, 8241820, 8886832, 10757744, 11108540, 12463240, 12774821, 13447180, 16483640, 22217080, 24926480, 25549642, 26894360, 32967280, 44434160, 51099284, 53788720, 63874105, 102198568, 127748210, 204397136, 255496420, 510992840, 1021985680]

約数ペア:

[(1, 1021985680), (2, 510992840), (4, 255496420), (5, 204397136), (8, 127748210), (10, 102198568), (16, 63874105), (19, 53788720), (20, 51099284), (23, 44434160), (31, 32967280), (38, 26894360), (40, 25549642), (41, 24926480), (46, 22217080), (62, 16483640), (76, 13447180), (80, 12774821), (82, 12463240), (92, 11108540), (95, 10757744), (115, 8886832), (124, 8241820), (152, 6723590), (155, 6593456), (164, 6231620), (184, 5554270), (190, 5378872), (205, 4985296), (230, 4443416), (248, 4120910), (304, 3361795), (310, 3296728), (328, 3115810), (368, 2777135), (380, 2689436), (410, 2492648), (437, 2338640), (460, 2221708), (496, 2060455), (529, 1931920), (589, 1735120), (620, 1648364), (656, 1557905), (713, 1433360), (760, 1344718), (779, 1311920), (820, 1246324), (874, 1169320), (920, 1110854), (943, 1083760), (1058, 965960), (1178, 867560), (1240, 824182), (1271, 804080), (1426, 716680), (1520, 672359), (1558, 655960), (1640, 623162), (1748, 584660), (1840, 555427), (1886, 541880), (2116, 482980), (2185, 467728), (2356, 433780), (2480, 412091), (2542, 402040), (2645, 386384), (2852, 358340), (2945, 347024), (3116, 327980), (3280, 311581), (3496, 292330), (3565, 286672), (3772, 270940), (3895, 262384), (4232, 241490), (4370, 233864), (4712, 216890), (4715, 216752), (5084, 201020), (5290, 193192), (5704, 179170), (5890, 173512), (6232, 163990), (6355, 160816), (6992, 146165), (7130, 143336), (7544, 135470), (7790, 131192), (8464, 120745), (8740, 116932), (9424, 108445), (9430, 108376), (10051, 101680), (10168, 100510), (10580, 96596), (11408, 89585), (11780, 86756), (12464, 81995), (12710, 80408), (13547, 75440), (14260, 71668), (15088, 67735), (15580, 65596), (16399, 62320), (17480, 58466), (17917, 57040), (18860, 54188), (20102, 50840), (20336, 50255), (21160, 48298), (21689, 47120), (23560, 43378), (24149, 42320), (25420, 40204), (27094, 37720), (28520, 35834), (29233, 34960), (31160, 32798)]