123445140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{983}}^1$

素因数の和:1038

約数の個数: 192

約数和(自身を含む): 444358656

約数和(自身を除く): 320913516

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 23, 26, 28, 30, 35, 39, 42, 46, 52, 60, 65, 69, 70, 78, 84, 91, 92, 105, 115, 130, 138, 140, 156, 161, 182, 195, 210, 230, 260, 273, 276, 299, 322, 345, 364, 390, 420, 455, 460, 483, 546, 598, 644, 690, 780, 805, 897, 910, 966, 983, 1092, 1196, 1365, 1380, 1495, 1610, 1794, 1820, 1932, 1966, 2093, 2415, 2730, 2949, 2990, 3220, 3588, 3932, 4186, 4485, 4830, 4915, 5460, 5898, 5980, 6279, 6881, 8372, 8970, 9660, 9830, 10465, 11796, 12558, 12779, 13762, 14745, 17940, 19660, 20643, 20930, 22609, 25116, 25558, 27524, 29490, 31395, 34405, 38337, 41286, 41860, 45218, 51116, 58980, 62790, 63895, 67827, 68810, 76674, 82572, 89453, 90436, 103215, 113045, 125580, 127790, 135654, 137620, 153348, 158263, 178906, 191685, 206430, 226090, 255580, 268359, 271308, 293917, 316526, 339135, 357812, 383370, 412860, 447265, 452180, 474789, 536718, 587834, 633052, 678270, 766740, 791315, 881751, 894530, 949578, 1073436, 1175668, 1341795, 1356540, 1469585, 1582630, 1763502, 1789060, 1899156, 2057419, 2373945, 2683590, 2939170, 3165260, 3527004, 4114838, 4408755, 4747890, 5367180, 5878340, 6172257, 8229676, 8817510, 9495780, 10287095, 12344514, 17635020, 20574190, 24689028, 30861285, 41148380, 61722570, 123445140]

約数ペア:

[(1, 123445140), (2, 61722570), (3, 41148380), (4, 30861285), (5, 24689028), (6, 20574190), (7, 17635020), (10, 12344514), (12, 10287095), (13, 9495780), (14, 8817510), (15, 8229676), (20, 6172257), (21, 5878340), (23, 5367180), (26, 4747890), (28, 4408755), (30, 4114838), (35, 3527004), (39, 3165260), (42, 2939170), (46, 2683590), (52, 2373945), (60, 2057419), (65, 1899156), (69, 1789060), (70, 1763502), (78, 1582630), (84, 1469585), (91, 1356540), (92, 1341795), (105, 1175668), (115, 1073436), (130, 949578), (138, 894530), (140, 881751), (156, 791315), (161, 766740), (182, 678270), (195, 633052), (210, 587834), (230, 536718), (260, 474789), (273, 452180), (276, 447265), (299, 412860), (322, 383370), (345, 357812), (364, 339135), (390, 316526), (420, 293917), (455, 271308), (460, 268359), (483, 255580), (546, 226090), (598, 206430), (644, 191685), (690, 178906), (780, 158263), (805, 153348), (897, 137620), (910, 135654), (966, 127790), (983, 125580), (1092, 113045), (1196, 103215), (1365, 90436), (1380, 89453), (1495, 82572), (1610, 76674), (1794, 68810), (1820, 67827), (1932, 63895), (1966, 62790), (2093, 58980), (2415, 51116), (2730, 45218), (2949, 41860), (2990, 41286), (3220, 38337), (3588, 34405), (3932, 31395), (4186, 29490), (4485, 27524), (4830, 25558), (4915, 25116), (5460, 22609), (5898, 20930), (5980, 20643), (6279, 19660), (6881, 17940), (8372, 14745), (8970, 13762), (9660, 12779), (9830, 12558), (10465, 11796)]