31045140

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:259

約数の個数: 192

約数和(自身を含む): 113541120

約数和(自身を除く): 82495980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 43, 45, 54, 60, 63, 70, 84, 86, 90, 105, 108, 126, 129, 135, 140, 172, 180, 189, 191, 210, 215, 252, 258, 270, 301, 315, 378, 382, 387, 420, 430, 516, 540, 573, 602, 630, 645, 756, 764, 774, 860, 903, 945, 955, 1146, 1161, 1204, 1260, 1290, 1337, 1505, 1548, 1719, 1806, 1890, 1910, 1935, 2292, 2322, 2580, 2674, 2709, 2865, 3010, 3438, 3612, 3780, 3820, 3870, 4011, 4515, 4644, 5157, 5348, 5418, 5730, 5805, 6020, 6685, 6876, 7740, 8022, 8127, 8213, 8595, 9030, 10314, 10836, 11460, 11610, 12033, 13370, 13545, 16044, 16254, 16426, 17190, 18060, 20055, 20628, 23220, 24066, 24639, 25785, 26740, 27090, 32508, 32852, 34380, 36099, 40110, 40635, 41065, 48132, 49278, 51570, 54180, 57491, 60165, 72198, 73917, 80220, 81270, 82130, 98556, 103140, 114982, 120330, 123195, 144396, 147834, 162540, 164260, 172473, 180495, 221751, 229964, 240660, 246390, 287455, 295668, 344946, 360990, 369585, 443502, 492780, 517419, 574910, 689892, 721980, 739170, 862365, 887004, 1034838, 1108755, 1149820, 1478340, 1552257, 1724730, 2069676, 2217510, 2587095, 3104514, 3449460, 4435020, 5174190, 6209028, 7761285, 10348380, 15522570, 31045140]

約数ペア:

[(1, 31045140), (2, 15522570), (3, 10348380), (4, 7761285), (5, 6209028), (6, 5174190), (7, 4435020), (9, 3449460), (10, 3104514), (12, 2587095), (14, 2217510), (15, 2069676), (18, 1724730), (20, 1552257), (21, 1478340), (27, 1149820), (28, 1108755), (30, 1034838), (35, 887004), (36, 862365), (42, 739170), (43, 721980), (45, 689892), (54, 574910), (60, 517419), (63, 492780), (70, 443502), (84, 369585), (86, 360990), (90, 344946), (105, 295668), (108, 287455), (126, 246390), (129, 240660), (135, 229964), (140, 221751), (172, 180495), (180, 172473), (189, 164260), (191, 162540), (210, 147834), (215, 144396), (252, 123195), (258, 120330), (270, 114982), (301, 103140), (315, 98556), (378, 82130), (382, 81270), (387, 80220), (420, 73917), (430, 72198), (516, 60165), (540, 57491), (573, 54180), (602, 51570), (630, 49278), (645, 48132), (756, 41065), (764, 40635), (774, 40110), (860, 36099), (903, 34380), (945, 32852), (955, 32508), (1146, 27090), (1161, 26740), (1204, 25785), (1260, 24639), (1290, 24066), (1337, 23220), (1505, 20628), (1548, 20055), (1719, 18060), (1806, 17190), (1890, 16426), (1910, 16254), (1935, 16044), (2292, 13545), (2322, 13370), (2580, 12033), (2674, 11610), (2709, 11460), (2865, 10836), (3010, 10314), (3438, 9030), (3612, 8595), (3780, 8213), (3820, 8127), (3870, 8022), (4011, 7740), (4515, 6876), (4644, 6685), (5157, 6020), (5348, 5805), (5418, 5730)]