720717760

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:259

約数の個数: 224

約数和(自身を含む): 2064642048

約数和(自身を除く): 1343924288

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 97, 107, 112, 124, 140, 155, 160, 194, 214, 217, 224, 248, 280, 310, 320, 388, 428, 434, 448, 485, 496, 535, 560, 620, 679, 749, 776, 856, 868, 970, 992, 1070, 1085, 1120, 1240, 1358, 1498, 1552, 1712, 1736, 1940, 1984, 2140, 2170, 2240, 2480, 2716, 2996, 3007, 3104, 3317, 3395, 3424, 3472, 3745, 3880, 4280, 4340, 4960, 5432, 5992, 6014, 6208, 6634, 6790, 6848, 6944, 7490, 7760, 8560, 8680, 9920, 10379, 10864, 11984, 12028, 13268, 13580, 13888, 14980, 15035, 15520, 16585, 17120, 17360, 20758, 21049, 21728, 23219, 23968, 24056, 26536, 27160, 29960, 30070, 31040, 33170, 34240, 34720, 41516, 42098, 43456, 46438, 47936, 48112, 51895, 53072, 54320, 59920, 60140, 66340, 69440, 72653, 83032, 84196, 92876, 96224, 103790, 105245, 106144, 108640, 116095, 119840, 120280, 132680, 145306, 166064, 168392, 185752, 192448, 207580, 210490, 212288, 217280, 232190, 239680, 240560, 265360, 290612, 321749, 332128, 336784, 363265, 371504, 415160, 420980, 464380, 481120, 530720, 581224, 643498, 664256, 673568, 726530, 743008, 830320, 841960, 928760, 962240, 1061440, 1162448, 1286996, 1347136, 1453060, 1486016, 1608745, 1660640, 1683920, 1857520, 2252243, 2324896, 2573992, 2906120, 3217490, 3321280, 3367840, 3715040, 4504486, 4649792, 5147984, 5812240, 6434980, 6735680, 7430080, 9008972, 10295968, 11261215, 11624480, 12869960, 18017944, 20591936, 22522430, 23248960, 25739920, 36035888, 45044860, 51479840, 72071776, 90089720, 102959680, 144143552, 180179440, 360358880, 720717760]

約数ペア:

[(1, 720717760), (2, 360358880), (4, 180179440), (5, 144143552), (7, 102959680), (8, 90089720), (10, 72071776), (14, 51479840), (16, 45044860), (20, 36035888), (28, 25739920), (31, 23248960), (32, 22522430), (35, 20591936), (40, 18017944), (56, 12869960), (62, 11624480), (64, 11261215), (70, 10295968), (80, 9008972), (97, 7430080), (107, 6735680), (112, 6434980), (124, 5812240), (140, 5147984), (155, 4649792), (160, 4504486), (194, 3715040), (214, 3367840), (217, 3321280), (224, 3217490), (248, 2906120), (280, 2573992), (310, 2324896), (320, 2252243), (388, 1857520), (428, 1683920), (434, 1660640), (448, 1608745), (485, 1486016), (496, 1453060), (535, 1347136), (560, 1286996), (620, 1162448), (679, 1061440), (749, 962240), (776, 928760), (856, 841960), (868, 830320), (970, 743008), (992, 726530), (1070, 673568), (1085, 664256), (1120, 643498), (1240, 581224), (1358, 530720), (1498, 481120), (1552, 464380), (1712, 420980), (1736, 415160), (1940, 371504), (1984, 363265), (2140, 336784), (2170, 332128), (2240, 321749), (2480, 290612), (2716, 265360), (2996, 240560), (3007, 239680), (3104, 232190), (3317, 217280), (3395, 212288), (3424, 210490), (3472, 207580), (3745, 192448), (3880, 185752), (4280, 168392), (4340, 166064), (4960, 145306), (5432, 132680), (5992, 120280), (6014, 119840), (6208, 116095), (6634, 108640), (6790, 106144), (6848, 105245), (6944, 103790), (7490, 96224), (7760, 92876), (8560, 84196), (8680, 83032), (9920, 72653), (10379, 69440), (10864, 66340), (11984, 60140), (12028, 59920), (13268, 54320), (13580, 53072), (13888, 51895), (14980, 48112), (15035, 47936), (15520, 46438), (16585, 43456), (17120, 42098), (17360, 41516), (20758, 34720), (21049, 34240), (21728, 33170), (23219, 31040), (23968, 30070), (24056, 29960), (26536, 27160)]