211514240

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1523}}^1$

素因数の和:1580

約数の個数: 128

約数和(自身を含む): 596920320

約数和(自身を除く): 385406080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 280, 310, 320, 434, 448, 496, 560, 620, 640, 868, 896, 992, 1085, 1120, 1240, 1523, 1736, 1984, 2170, 2240, 2480, 3046, 3472, 3968, 4340, 4480, 4960, 6092, 6944, 7615, 8680, 9920, 10661, 12184, 13888, 15230, 17360, 19840, 21322, 24368, 27776, 30460, 34720, 42644, 47213, 48736, 53305, 60920, 69440, 85288, 94426, 97472, 106610, 121840, 138880, 170576, 188852, 194944, 213220, 236065, 243680, 330491, 341152, 377704, 426440, 472130, 487360, 660982, 682304, 755408, 852880, 944260, 974720, 1321964, 1364608, 1510816, 1652455, 1705760, 1888520, 2643928, 3021632, 3304910, 3411520, 3777040, 5287856, 6043264, 6609820, 6823040, 7554080, 10575712, 13219640, 15108160, 21151424, 26439280, 30216320, 42302848, 52878560, 105757120, 211514240]

約数ペア:

[(1, 211514240), (2, 105757120), (4, 52878560), (5, 42302848), (7, 30216320), (8, 26439280), (10, 21151424), (14, 15108160), (16, 13219640), (20, 10575712), (28, 7554080), (31, 6823040), (32, 6609820), (35, 6043264), (40, 5287856), (56, 3777040), (62, 3411520), (64, 3304910), (70, 3021632), (80, 2643928), (112, 1888520), (124, 1705760), (128, 1652455), (140, 1510816), (155, 1364608), (160, 1321964), (217, 974720), (224, 944260), (248, 852880), (280, 755408), (310, 682304), (320, 660982), (434, 487360), (448, 472130), (496, 426440), (560, 377704), (620, 341152), (640, 330491), (868, 243680), (896, 236065), (992, 213220), (1085, 194944), (1120, 188852), (1240, 170576), (1523, 138880), (1736, 121840), (1984, 106610), (2170, 97472), (2240, 94426), (2480, 85288), (3046, 69440), (3472, 60920), (3968, 53305), (4340, 48736), (4480, 47213), (4960, 42644), (6092, 34720), (6944, 30460), (7615, 27776), (8680, 24368), (9920, 21322), (10661, 19840), (12184, 17360), (13888, 15230)]