42354180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21391}}^1$

素因数の和:21417

約数の個数: 72

約数和(自身を含む): 140160384

約数和(自身を除く): 97806204

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 21391, 42782, 64173, 85564, 106955, 128346, 192519, 213910, 235301, 256692, 320865, 385038, 427820, 470602, 641730, 705903, 770076, 941204, 962595, 1176505, 1283460, 1411806, 1925190, 2117709, 2353010, 2823612, 3529515, 3850380, 4235418, 4706020, 7059030, 8470836, 10588545, 14118060, 21177090, 42354180]

約数ペア:

[(1, 42354180), (2, 21177090), (3, 14118060), (4, 10588545), (5, 8470836), (6, 7059030), (9, 4706020), (10, 4235418), (11, 3850380), (12, 3529515), (15, 2823612), (18, 2353010), (20, 2117709), (22, 1925190), (30, 1411806), (33, 1283460), (36, 1176505), (44, 962595), (45, 941204), (55, 770076), (60, 705903), (66, 641730), (90, 470602), (99, 427820), (110, 385038), (132, 320865), (165, 256692), (180, 235301), (198, 213910), (220, 192519), (330, 128346), (396, 106955), (495, 85564), (660, 64173), (990, 42782), (1980, 21391)]