661703680

素因数分解:

$2^{10}\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{379}}^1$

素因数の和:446

約数の個数: 176

約数和(自身を含む): 1792189440

約数和(自身を除く): 1130485760

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 124, 128, 155, 160, 176, 220, 248, 256, 310, 320, 341, 352, 379, 440, 496, 512, 620, 640, 682, 704, 758, 880, 992, 1024, 1240, 1280, 1364, 1408, 1516, 1705, 1760, 1895, 1984, 2480, 2560, 2728, 2816, 3032, 3410, 3520, 3790, 3968, 4169, 4960, 5120, 5456, 5632, 6064, 6820, 7040, 7580, 7936, 8338, 9920, 10912, 11264, 11749, 12128, 13640, 14080, 15160, 15872, 16676, 19840, 20845, 21824, 23498, 24256, 27280, 28160, 30320, 31744, 33352, 39680, 41690, 43648, 46996, 48512, 54560, 56320, 58745, 60640, 66704, 79360, 83380, 87296, 93992, 97024, 109120, 117490, 121280, 129239, 133408, 158720, 166760, 174592, 187984, 194048, 218240, 234980, 242560, 258478, 266816, 333520, 349184, 375968, 388096, 436480, 469960, 485120, 516956, 533632, 646195, 667040, 751936, 872960, 939920, 970240, 1033912, 1067264, 1292390, 1334080, 1503872, 1745920, 1879840, 1940480, 2067824, 2134528, 2584780, 2668160, 3007744, 3759680, 4135648, 4269056, 5169560, 5336320, 6015488, 7519360, 8271296, 10339120, 10672640, 12030976, 15038720, 16542592, 20678240, 21345280, 30077440, 33085184, 41356480, 60154880, 66170368, 82712960, 132340736, 165425920, 330851840, 661703680]

約数ペア:

[(1, 661703680), (2, 330851840), (4, 165425920), (5, 132340736), (8, 82712960), (10, 66170368), (11, 60154880), (16, 41356480), (20, 33085184), (22, 30077440), (31, 21345280), (32, 20678240), (40, 16542592), (44, 15038720), (55, 12030976), (62, 10672640), (64, 10339120), (80, 8271296), (88, 7519360), (110, 6015488), (124, 5336320), (128, 5169560), (155, 4269056), (160, 4135648), (176, 3759680), (220, 3007744), (248, 2668160), (256, 2584780), (310, 2134528), (320, 2067824), (341, 1940480), (352, 1879840), (379, 1745920), (440, 1503872), (496, 1334080), (512, 1292390), (620, 1067264), (640, 1033912), (682, 970240), (704, 939920), (758, 872960), (880, 751936), (992, 667040), (1024, 646195), (1240, 533632), (1280, 516956), (1364, 485120), (1408, 469960), (1516, 436480), (1705, 388096), (1760, 375968), (1895, 349184), (1984, 333520), (2480, 266816), (2560, 258478), (2728, 242560), (2816, 234980), (3032, 218240), (3410, 194048), (3520, 187984), (3790, 174592), (3968, 166760), (4169, 158720), (4960, 133408), (5120, 129239), (5456, 121280), (5632, 117490), (6064, 109120), (6820, 97024), (7040, 93992), (7580, 87296), (7936, 83380), (8338, 79360), (9920, 66704), (10912, 60640), (11264, 58745), (11749, 56320), (12128, 54560), (13640, 48512), (14080, 46996), (15160, 43648), (15872, 41690), (16676, 39680), (19840, 33352), (20845, 31744), (21824, 30320), (23498, 28160), (24256, 27280)]