56780220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:153

約数の個数: 192

約数和(自身を含む): 193536000

約数和(自身を除く): 136755780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 49, 60, 62, 70, 84, 89, 93, 98, 105, 124, 140, 147, 155, 178, 186, 196, 210, 217, 245, 267, 294, 310, 343, 356, 372, 420, 434, 445, 465, 490, 534, 588, 620, 623, 651, 686, 735, 868, 890, 930, 980, 1029, 1068, 1085, 1246, 1302, 1335, 1372, 1470, 1519, 1715, 1780, 1860, 1869, 2058, 2170, 2492, 2604, 2670, 2759, 2940, 3038, 3115, 3255, 3430, 3738, 4116, 4340, 4361, 4557, 5145, 5340, 5518, 6076, 6230, 6510, 6860, 7476, 7595, 8277, 8722, 9114, 9345, 10290, 10633, 11036, 12460, 13020, 13083, 13795, 15190, 16554, 17444, 18228, 18690, 19313, 20580, 21266, 21805, 22785, 26166, 27590, 30380, 30527, 31899, 33108, 37380, 38626, 41385, 42532, 43610, 45570, 52332, 53165, 55180, 57939, 61054, 63798, 65415, 77252, 82770, 87220, 91140, 91581, 96565, 106330, 115878, 122108, 127596, 130830, 135191, 152635, 159495, 165540, 183162, 193130, 212660, 231756, 261660, 270382, 289695, 305270, 318990, 366324, 386260, 405573, 457905, 540764, 579390, 610540, 637980, 675955, 811146, 915810, 946337, 1158780, 1351910, 1622292, 1831620, 1892674, 2027865, 2703820, 2839011, 3785348, 4055730, 4731685, 5678022, 8111460, 9463370, 11356044, 14195055, 18926740, 28390110, 56780220]

約数ペア:

[(1, 56780220), (2, 28390110), (3, 18926740), (4, 14195055), (5, 11356044), (6, 9463370), (7, 8111460), (10, 5678022), (12, 4731685), (14, 4055730), (15, 3785348), (20, 2839011), (21, 2703820), (28, 2027865), (30, 1892674), (31, 1831620), (35, 1622292), (42, 1351910), (49, 1158780), (60, 946337), (62, 915810), (70, 811146), (84, 675955), (89, 637980), (93, 610540), (98, 579390), (105, 540764), (124, 457905), (140, 405573), (147, 386260), (155, 366324), (178, 318990), (186, 305270), (196, 289695), (210, 270382), (217, 261660), (245, 231756), (267, 212660), (294, 193130), (310, 183162), (343, 165540), (356, 159495), (372, 152635), (420, 135191), (434, 130830), (445, 127596), (465, 122108), (490, 115878), (534, 106330), (588, 96565), (620, 91581), (623, 91140), (651, 87220), (686, 82770), (735, 77252), (868, 65415), (890, 63798), (930, 61054), (980, 57939), (1029, 55180), (1068, 53165), (1085, 52332), (1246, 45570), (1302, 43610), (1335, 42532), (1372, 41385), (1470, 38626), (1519, 37380), (1715, 33108), (1780, 31899), (1860, 30527), (1869, 30380), (2058, 27590), (2170, 26166), (2492, 22785), (2604, 21805), (2670, 21266), (2759, 20580), (2940, 19313), (3038, 18690), (3115, 18228), (3255, 17444), (3430, 16554), (3738, 15190), (4116, 13795), (4340, 13083), (4361, 13020), (4557, 12460), (5145, 11036), (5340, 10633), (5518, 10290), (6076, 9345), (6230, 9114), (6510, 8722), (6860, 8277), (7476, 7595)]