321472480

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:297

約数の個数: 192

約数和(自身を含む): 919683072

約数和(自身を除く): 598210592

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 47, 56, 62, 70, 80, 94, 112, 124, 140, 155, 160, 188, 197, 217, 224, 235, 248, 280, 310, 329, 376, 394, 434, 470, 496, 560, 620, 658, 752, 788, 868, 940, 985, 992, 1085, 1120, 1240, 1316, 1379, 1457, 1504, 1576, 1645, 1736, 1880, 1970, 2170, 2480, 2632, 2758, 2914, 3152, 3290, 3472, 3760, 3940, 4340, 4960, 5264, 5516, 5828, 6107, 6304, 6580, 6895, 6944, 7285, 7520, 7880, 8680, 9259, 10199, 10528, 11032, 11656, 12214, 13160, 13790, 14570, 15760, 17360, 18518, 20398, 22064, 23312, 24428, 26320, 27580, 29140, 30535, 31520, 34720, 37036, 40796, 42749, 44128, 46295, 46624, 48856, 50995, 52640, 55160, 58280, 61070, 64813, 74072, 81592, 85498, 92590, 97712, 101990, 110320, 116560, 122140, 129626, 148144, 163184, 170996, 185180, 195424, 203980, 213745, 220640, 233120, 244280, 259252, 287029, 296288, 324065, 326368, 341992, 370360, 407960, 427490, 488560, 518504, 574058, 648130, 683984, 740720, 815920, 854980, 977120, 1037008, 1148116, 1296260, 1367968, 1435145, 1481440, 1631840, 1709960, 2009203, 2074016, 2296232, 2592520, 2870290, 3419920, 4018406, 4592464, 5185040, 5740580, 6839840, 8036812, 9184928, 10046015, 10370080, 11481160, 16073624, 20092030, 22962320, 32147248, 40184060, 45924640, 64294496, 80368120, 160736240, 321472480]

約数ペア:

[(1, 321472480), (2, 160736240), (4, 80368120), (5, 64294496), (7, 45924640), (8, 40184060), (10, 32147248), (14, 22962320), (16, 20092030), (20, 16073624), (28, 11481160), (31, 10370080), (32, 10046015), (35, 9184928), (40, 8036812), (47, 6839840), (56, 5740580), (62, 5185040), (70, 4592464), (80, 4018406), (94, 3419920), (112, 2870290), (124, 2592520), (140, 2296232), (155, 2074016), (160, 2009203), (188, 1709960), (197, 1631840), (217, 1481440), (224, 1435145), (235, 1367968), (248, 1296260), (280, 1148116), (310, 1037008), (329, 977120), (376, 854980), (394, 815920), (434, 740720), (470, 683984), (496, 648130), (560, 574058), (620, 518504), (658, 488560), (752, 427490), (788, 407960), (868, 370360), (940, 341992), (985, 326368), (992, 324065), (1085, 296288), (1120, 287029), (1240, 259252), (1316, 244280), (1379, 233120), (1457, 220640), (1504, 213745), (1576, 203980), (1645, 195424), (1736, 185180), (1880, 170996), (1970, 163184), (2170, 148144), (2480, 129626), (2632, 122140), (2758, 116560), (2914, 110320), (3152, 101990), (3290, 97712), (3472, 92590), (3760, 85498), (3940, 81592), (4340, 74072), (4960, 64813), (5264, 61070), (5516, 58280), (5828, 55160), (6107, 52640), (6304, 50995), (6580, 48856), (6895, 46624), (6944, 46295), (7285, 44128), (7520, 42749), (7880, 40796), (8680, 37036), (9259, 34720), (10199, 31520), (10528, 30535), (11032, 29140), (11656, 27580), (12214, 26320), (13160, 24428), (13790, 23312), (14570, 22064), (15760, 20398), (17360, 18518)]