42865020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21649}}^1$

素因数の和:21675

約数の個数: 72

約数和(自身を含む): 141850800

約数和(自身を除く): 98985780

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, 21649, 43298, 64947, 86596, 108245, 129894, 194841, 216490, 238139, 259788, 324735, 389682, 432980, 476278, 649470, 714417, 779364, 952556, 974205, 1190695, 1298940, 1428834, 1948410, 2143251, 2381390, 2857668, 3572085, 3896820, 4286502, 4762780, 7144170, 8573004, 10716255, 14288340, 21432510, 42865020]

約数ペア:

[(1, 42865020), (2, 21432510), (3, 14288340), (4, 10716255), (5, 8573004), (6, 7144170), (9, 4762780), (10, 4286502), (11, 3896820), (12, 3572085), (15, 2857668), (18, 2381390), (20, 2143251), (22, 1948410), (30, 1428834), (33, 1298940), (36, 1190695), (44, 974205), (45, 952556), (55, 779364), (60, 714417), (66, 649470), (90, 476278), (99, 432980), (110, 389682), (132, 324735), (165, 259788), (180, 238139), (198, 216490), (220, 194841), (330, 129894), (396, 108245), (495, 86596), (660, 64947), (990, 43298), (1980, 21649)]