25531380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{881}}^1$

素因数の和:926

約数の個数: 144

約数和(自身を含む): 92461824

約数和(自身を除く): 66930444

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 28, 30, 35, 36, 42, 45, 46, 60, 63, 69, 70, 84, 90, 92, 105, 115, 126, 138, 140, 161, 180, 207, 210, 230, 252, 276, 315, 322, 345, 414, 420, 460, 483, 630, 644, 690, 805, 828, 881, 966, 1035, 1260, 1380, 1449, 1610, 1762, 1932, 2070, 2415, 2643, 2898, 3220, 3524, 4140, 4405, 4830, 5286, 5796, 6167, 7245, 7929, 8810, 9660, 10572, 12334, 13215, 14490, 15858, 17620, 18501, 20263, 24668, 26430, 28980, 30835, 31716, 37002, 39645, 40526, 52860, 55503, 60789, 61670, 74004, 79290, 81052, 92505, 101315, 111006, 121578, 123340, 141841, 158580, 182367, 185010, 202630, 222012, 243156, 277515, 283682, 303945, 364734, 370020, 405260, 425523, 555030, 567364, 607890, 709205, 729468, 851046, 911835, 1110060, 1215780, 1276569, 1418410, 1702092, 1823670, 2127615, 2553138, 2836820, 3647340, 4255230, 5106276, 6382845, 8510460, 12765690, 25531380]

約数ペア:

[(1, 25531380), (2, 12765690), (3, 8510460), (4, 6382845), (5, 5106276), (6, 4255230), (7, 3647340), (9, 2836820), (10, 2553138), (12, 2127615), (14, 1823670), (15, 1702092), (18, 1418410), (20, 1276569), (21, 1215780), (23, 1110060), (28, 911835), (30, 851046), (35, 729468), (36, 709205), (42, 607890), (45, 567364), (46, 555030), (60, 425523), (63, 405260), (69, 370020), (70, 364734), (84, 303945), (90, 283682), (92, 277515), (105, 243156), (115, 222012), (126, 202630), (138, 185010), (140, 182367), (161, 158580), (180, 141841), (207, 123340), (210, 121578), (230, 111006), (252, 101315), (276, 92505), (315, 81052), (322, 79290), (345, 74004), (414, 61670), (420, 60789), (460, 55503), (483, 52860), (630, 40526), (644, 39645), (690, 37002), (805, 31716), (828, 30835), (881, 28980), (966, 26430), (1035, 24668), (1260, 20263), (1380, 18501), (1449, 17620), (1610, 15858), (1762, 14490), (1932, 13215), (2070, 12334), (2415, 10572), (2643, 9660), (2898, 8810), (3220, 7929), (3524, 7245), (4140, 6167), (4405, 5796), (4830, 5286)]