22781880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{523}}^1$

素因数の和:562

約数の個数: 144

約数和(自身を含む): 81539640

約数和(自身を除く): 58757760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 121, 132, 165, 180, 198, 220, 242, 264, 330, 360, 363, 396, 440, 484, 495, 523, 605, 660, 726, 792, 968, 990, 1046, 1089, 1210, 1320, 1452, 1569, 1815, 1980, 2092, 2178, 2420, 2615, 2904, 3138, 3630, 3960, 4184, 4356, 4707, 4840, 5230, 5445, 5753, 6276, 7260, 7845, 8712, 9414, 10460, 10890, 11506, 12552, 14520, 15690, 17259, 18828, 20920, 21780, 23012, 23535, 28765, 31380, 34518, 37656, 43560, 46024, 47070, 51777, 57530, 62760, 63283, 69036, 86295, 94140, 103554, 115060, 126566, 138072, 172590, 188280, 189849, 207108, 230120, 253132, 258885, 316415, 345180, 379698, 414216, 506264, 517770, 569547, 632830, 690360, 759396, 949245, 1035540, 1139094, 1265660, 1518792, 1898490, 2071080, 2278188, 2531320, 2847735, 3796980, 4556376, 5695470, 7593960, 11390940, 22781880]

約数ペア:

[(1, 22781880), (2, 11390940), (3, 7593960), (4, 5695470), (5, 4556376), (6, 3796980), (8, 2847735), (9, 2531320), (10, 2278188), (11, 2071080), (12, 1898490), (15, 1518792), (18, 1265660), (20, 1139094), (22, 1035540), (24, 949245), (30, 759396), (33, 690360), (36, 632830), (40, 569547), (44, 517770), (45, 506264), (55, 414216), (60, 379698), (66, 345180), (72, 316415), (88, 258885), (90, 253132), (99, 230120), (110, 207108), (120, 189849), (121, 188280), (132, 172590), (165, 138072), (180, 126566), (198, 115060), (220, 103554), (242, 94140), (264, 86295), (330, 69036), (360, 63283), (363, 62760), (396, 57530), (440, 51777), (484, 47070), (495, 46024), (523, 43560), (605, 37656), (660, 34518), (726, 31380), (792, 28765), (968, 23535), (990, 23012), (1046, 21780), (1089, 20920), (1210, 18828), (1320, 17259), (1452, 15690), (1569, 14520), (1815, 12552), (1980, 11506), (2092, 10890), (2178, 10460), (2420, 9414), (2615, 8712), (2904, 7845), (3138, 7260), (3630, 6276), (3960, 5753), (4184, 5445), (4356, 5230), (4707, 4840)]