222557580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{1021}}^1$

素因数の和:1216

約数の個数: 144

約数和(自身を含む): 776752704

約数和(自身を除く): 554195124

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 173, 180, 210, 252, 315, 346, 420, 519, 630, 692, 865, 1021, 1038, 1211, 1260, 1557, 1730, 2042, 2076, 2422, 2595, 3063, 3114, 3460, 3633, 4084, 4844, 5105, 5190, 6055, 6126, 6228, 7147, 7266, 7785, 9189, 10210, 10380, 10899, 12110, 12252, 14294, 14532, 15315, 15570, 18165, 18378, 20420, 21441, 21798, 24220, 28588, 30630, 31140, 35735, 36330, 36756, 42882, 43596, 45945, 54495, 61260, 64323, 71470, 72660, 85764, 91890, 107205, 108990, 128646, 142940, 176633, 183780, 214410, 217980, 257292, 321615, 353266, 428820, 529899, 643230, 706532, 883165, 1059798, 1236431, 1286460, 1589697, 1766330, 2119596, 2472862, 2649495, 3179394, 3532660, 3709293, 4945724, 5298990, 6182155, 6358788, 7418586, 7948485, 10597980, 11127879, 12364310, 14837172, 15896970, 18546465, 22255758, 24728620, 31793940, 37092930, 44511516, 55639395, 74185860, 111278790, 222557580]

約数ペア:

[(1, 222557580), (2, 111278790), (3, 74185860), (4, 55639395), (5, 44511516), (6, 37092930), (7, 31793940), (9, 24728620), (10, 22255758), (12, 18546465), (14, 15896970), (15, 14837172), (18, 12364310), (20, 11127879), (21, 10597980), (28, 7948485), (30, 7418586), (35, 6358788), (36, 6182155), (42, 5298990), (45, 4945724), (60, 3709293), (63, 3532660), (70, 3179394), (84, 2649495), (90, 2472862), (105, 2119596), (126, 1766330), (140, 1589697), (173, 1286460), (180, 1236431), (210, 1059798), (252, 883165), (315, 706532), (346, 643230), (420, 529899), (519, 428820), (630, 353266), (692, 321615), (865, 257292), (1021, 217980), (1038, 214410), (1211, 183780), (1260, 176633), (1557, 142940), (1730, 128646), (2042, 108990), (2076, 107205), (2422, 91890), (2595, 85764), (3063, 72660), (3114, 71470), (3460, 64323), (3633, 61260), (4084, 54495), (4844, 45945), (5105, 43596), (5190, 42882), (6055, 36756), (6126, 36330), (6228, 35735), (7147, 31140), (7266, 30630), (7785, 28588), (9189, 24220), (10210, 21798), (10380, 21441), (10899, 20420), (12110, 18378), (12252, 18165), (14294, 15570), (14532, 15315)]