191855520

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{499}}^1$

素因数の和:612

約数の個数: 192

約数和(自身を含む): 680400000

約数和(自身を除く): 488544480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 89, 90, 96, 108, 120, 135, 144, 160, 178, 180, 216, 240, 267, 270, 288, 356, 360, 432, 445, 480, 499, 534, 540, 712, 720, 801, 864, 890, 998, 1068, 1080, 1335, 1424, 1440, 1497, 1602, 1780, 1996, 2136, 2160, 2403, 2495, 2670, 2848, 2994, 3204, 3560, 3992, 4005, 4272, 4320, 4491, 4806, 4990, 5340, 5988, 6408, 7120, 7485, 7984, 8010, 8544, 8982, 9612, 9980, 10680, 11976, 12015, 12816, 13473, 14240, 14970, 15968, 16020, 17964, 19224, 19960, 21360, 22455, 23952, 24030, 25632, 26946, 29940, 32040, 35928, 38448, 39920, 42720, 44411, 44910, 47904, 48060, 53892, 59880, 64080, 67365, 71856, 76896, 79840, 88822, 89820, 96120, 107784, 119760, 128160, 133233, 134730, 143712, 177644, 179640, 192240, 215568, 222055, 239520, 266466, 269460, 355288, 359280, 384480, 399699, 431136, 444110, 532932, 538920, 666165, 710576, 718560, 799398, 888220, 1065864, 1077840, 1199097, 1332330, 1421152, 1598796, 1776440, 1998495, 2131728, 2155680, 2398194, 2664660, 3197592, 3552880, 3996990, 4263456, 4796388, 5329320, 5995485, 6395184, 7105760, 7993980, 9592776, 10658640, 11990970, 12790368, 15987960, 19185552, 21317280, 23981940, 31975920, 38371104, 47963880, 63951840, 95927760, 191855520]

約数ペア:

[(1, 191855520), (2, 95927760), (3, 63951840), (4, 47963880), (5, 38371104), (6, 31975920), (8, 23981940), (9, 21317280), (10, 19185552), (12, 15987960), (15, 12790368), (16, 11990970), (18, 10658640), (20, 9592776), (24, 7993980), (27, 7105760), (30, 6395184), (32, 5995485), (36, 5329320), (40, 4796388), (45, 4263456), (48, 3996990), (54, 3552880), (60, 3197592), (72, 2664660), (80, 2398194), (89, 2155680), (90, 2131728), (96, 1998495), (108, 1776440), (120, 1598796), (135, 1421152), (144, 1332330), (160, 1199097), (178, 1077840), (180, 1065864), (216, 888220), (240, 799398), (267, 718560), (270, 710576), (288, 666165), (356, 538920), (360, 532932), (432, 444110), (445, 431136), (480, 399699), (499, 384480), (534, 359280), (540, 355288), (712, 269460), (720, 266466), (801, 239520), (864, 222055), (890, 215568), (998, 192240), (1068, 179640), (1080, 177644), (1335, 143712), (1424, 134730), (1440, 133233), (1497, 128160), (1602, 119760), (1780, 107784), (1996, 96120), (2136, 89820), (2160, 88822), (2403, 79840), (2495, 76896), (2670, 71856), (2848, 67365), (2994, 64080), (3204, 59880), (3560, 53892), (3992, 48060), (4005, 47904), (4272, 44910), (4320, 44411), (4491, 42720), (4806, 39920), (4990, 38448), (5340, 35928), (5988, 32040), (6408, 29940), (7120, 26946), (7485, 25632), (7984, 24030), (8010, 23952), (8544, 22455), (8982, 21360), (9612, 19960), (9980, 19224), (10680, 17964), (11976, 16020), (12015, 15968), (12816, 14970), (13473, 14240)]