217623840

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{271}}^1$

素因数の和:535

約数の個数: 192

約数和(自身を含む): 789626880

約数和(自身を除く): 572003040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 239, 240, 271, 280, 336, 420, 478, 480, 542, 560, 672, 717, 813, 840, 956, 1084, 1120, 1195, 1355, 1434, 1626, 1673, 1680, 1897, 1912, 2168, 2390, 2710, 2868, 3252, 3346, 3360, 3585, 3794, 3824, 4065, 4336, 4780, 5019, 5420, 5691, 5736, 6504, 6692, 7170, 7588, 7648, 8130, 8365, 8672, 9485, 9560, 10038, 10840, 11382, 11472, 13008, 13384, 14340, 15176, 16260, 16730, 18970, 19120, 20076, 21680, 22764, 22944, 25095, 26016, 26768, 28455, 28680, 30352, 32520, 33460, 37940, 38240, 40152, 43360, 45528, 50190, 53536, 56910, 57360, 60704, 64769, 65040, 66920, 75880, 80304, 91056, 100380, 113820, 114720, 129538, 130080, 133840, 151760, 160608, 182112, 194307, 200760, 227640, 259076, 267680, 303520, 323845, 388614, 401520, 453383, 455280, 518152, 647690, 777228, 803040, 906766, 910560, 971535, 1036304, 1295380, 1360149, 1554456, 1813532, 1943070, 2072608, 2266915, 2590760, 2720298, 3108912, 3627064, 3886140, 4533830, 5181520, 5440596, 6217824, 6800745, 7254128, 7772280, 9067660, 10363040, 10881192, 13601490, 14508256, 15544560, 18135320, 21762384, 27202980, 31089120, 36270640, 43524768, 54405960, 72541280, 108811920, 217623840]

約数ペア:

[(1, 217623840), (2, 108811920), (3, 72541280), (4, 54405960), (5, 43524768), (6, 36270640), (7, 31089120), (8, 27202980), (10, 21762384), (12, 18135320), (14, 15544560), (15, 14508256), (16, 13601490), (20, 10881192), (21, 10363040), (24, 9067660), (28, 7772280), (30, 7254128), (32, 6800745), (35, 6217824), (40, 5440596), (42, 5181520), (48, 4533830), (56, 3886140), (60, 3627064), (70, 3108912), (80, 2720298), (84, 2590760), (96, 2266915), (105, 2072608), (112, 1943070), (120, 1813532), (140, 1554456), (160, 1360149), (168, 1295380), (210, 1036304), (224, 971535), (239, 910560), (240, 906766), (271, 803040), (280, 777228), (336, 647690), (420, 518152), (478, 455280), (480, 453383), (542, 401520), (560, 388614), (672, 323845), (717, 303520), (813, 267680), (840, 259076), (956, 227640), (1084, 200760), (1120, 194307), (1195, 182112), (1355, 160608), (1434, 151760), (1626, 133840), (1673, 130080), (1680, 129538), (1897, 114720), (1912, 113820), (2168, 100380), (2390, 91056), (2710, 80304), (2868, 75880), (3252, 66920), (3346, 65040), (3360, 64769), (3585, 60704), (3794, 57360), (3824, 56910), (4065, 53536), (4336, 50190), (4780, 45528), (5019, 43360), (5420, 40152), (5691, 38240), (5736, 37940), (6504, 33460), (6692, 32520), (7170, 30352), (7588, 28680), (7648, 28455), (8130, 26768), (8365, 26016), (8672, 25095), (9485, 22944), (9560, 22764), (10038, 21680), (10840, 20076), (11382, 19120), (11472, 18970), (13008, 16730), (13384, 16260), (14340, 15176)]