644095440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{239}}^1$

素因数の和:474

約数の個数: 240

約数和(自身を含む): 2298067200

約数和(自身を除く): 1653971760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 144, 152, 171, 180, 190, 197, 228, 239, 240, 285, 304, 342, 360, 380, 394, 456, 478, 570, 591, 684, 717, 720, 760, 788, 855, 912, 956, 985, 1140, 1182, 1195, 1368, 1434, 1520, 1576, 1710, 1773, 1912, 1970, 2151, 2280, 2364, 2390, 2736, 2868, 2955, 3152, 3420, 3546, 3585, 3743, 3824, 3940, 4302, 4541, 4560, 4728, 4780, 5736, 5910, 6840, 7092, 7170, 7486, 7880, 8604, 8865, 9082, 9456, 9560, 10755, 11229, 11472, 11820, 13623, 13680, 14184, 14340, 14972, 15760, 17208, 17730, 18164, 18715, 19120, 21510, 22458, 22705, 23640, 27246, 28368, 28680, 29944, 33687, 34416, 35460, 36328, 37430, 40869, 43020, 44916, 45410, 47083, 47280, 54492, 56145, 57360, 59888, 67374, 68115, 70920, 72656, 74860, 81738, 86040, 89832, 90820, 94166, 108984, 112290, 134748, 136230, 141249, 141840, 149720, 163476, 168435, 172080, 179664, 181640, 188332, 204345, 217968, 224580, 235415, 269496, 272460, 282498, 299440, 326952, 336870, 363280, 376664, 408690, 423747, 449160, 470830, 538992, 544920, 564996, 653904, 673740, 706245, 753328, 817380, 847494, 894577, 898320, 941660, 1089840, 1129992, 1347480, 1412490, 1634760, 1694988, 1789154, 1883320, 2118735, 2259984, 2683731, 2694960, 2824980, 3269520, 3389976, 3578308, 3766640, 4237470, 4472885, 5367462, 5649960, 6779952, 7156616, 8051193, 8474940, 8945770, 10734924, 11299920, 13418655, 14313232, 16102386, 16949880, 17891540, 21469848, 26837310, 32204772, 33899760, 35783080, 40255965, 42939696, 53674620, 64409544, 71566160, 80511930, 107349240, 128819088, 161023860, 214698480, 322047720, 644095440]

約数ペア:

[(1, 644095440), (2, 322047720), (3, 214698480), (4, 161023860), (5, 128819088), (6, 107349240), (8, 80511930), (9, 71566160), (10, 64409544), (12, 53674620), (15, 42939696), (16, 40255965), (18, 35783080), (19, 33899760), (20, 32204772), (24, 26837310), (30, 21469848), (36, 17891540), (38, 16949880), (40, 16102386), (45, 14313232), (48, 13418655), (57, 11299920), (60, 10734924), (72, 8945770), (76, 8474940), (80, 8051193), (90, 7156616), (95, 6779952), (114, 5649960), (120, 5367462), (144, 4472885), (152, 4237470), (171, 3766640), (180, 3578308), (190, 3389976), (197, 3269520), (228, 2824980), (239, 2694960), (240, 2683731), (285, 2259984), (304, 2118735), (342, 1883320), (360, 1789154), (380, 1694988), (394, 1634760), (456, 1412490), (478, 1347480), (570, 1129992), (591, 1089840), (684, 941660), (717, 898320), (720, 894577), (760, 847494), (788, 817380), (855, 753328), (912, 706245), (956, 673740), (985, 653904), (1140, 564996), (1182, 544920), (1195, 538992), (1368, 470830), (1434, 449160), (1520, 423747), (1576, 408690), (1710, 376664), (1773, 363280), (1912, 336870), (1970, 326952), (2151, 299440), (2280, 282498), (2364, 272460), (2390, 269496), (2736, 235415), (2868, 224580), (2955, 217968), (3152, 204345), (3420, 188332), (3546, 181640), (3585, 179664), (3743, 172080), (3824, 168435), (3940, 163476), (4302, 149720), (4541, 141840), (4560, 141249), (4728, 136230), (4780, 134748), (5736, 112290), (5910, 108984), (6840, 94166), (7092, 90820), (7170, 89832), (7486, 86040), (7880, 81738), (8604, 74860), (8865, 72656), (9082, 70920), (9456, 68115), (9560, 67374), (10755, 59888), (11229, 57360), (11472, 56145), (11820, 54492), (13623, 47280), (13680, 47083), (14184, 45410), (14340, 44916), (14972, 43020), (15760, 40869), (17208, 37430), (17730, 36328), (18164, 35460), (18715, 34416), (19120, 33687), (21510, 29944), (22458, 28680), (22705, 28368), (23640, 27246)]