1728515340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1931}}^1\times {\mathrm{4973}}^1$

素因数の和:6919

約数の個数: 72

約数和(自身を含む): 5246933328

約数和(自身を除く): 3518417988

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1931, 3862, 4973, 5793, 7724, 9655, 9946, 11586, 14919, 17379, 19310, 19892, 23172, 24865, 28965, 29838, 34758, 38620, 44757, 49730, 57930, 59676, 69516, 74595, 86895, 89514, 99460, 115860, 149190, 173790, 179028, 223785, 298380, 347580, 447570, 895140, 9602863, 19205726, 28808589, 38411452, 48014315, 57617178, 86425767, 96028630, 115234356, 144042945, 172851534, 192057260, 288085890, 345703068, 432128835, 576171780, 864257670, 1728515340]

約数ペア:

[(1, 1728515340), (2, 864257670), (3, 576171780), (4, 432128835), (5, 345703068), (6, 288085890), (9, 192057260), (10, 172851534), (12, 144042945), (15, 115234356), (18, 96028630), (20, 86425767), (30, 57617178), (36, 48014315), (45, 38411452), (60, 28808589), (90, 19205726), (180, 9602863), (1931, 895140), (3862, 447570), (4973, 347580), (5793, 298380), (7724, 223785), (9655, 179028), (9946, 173790), (11586, 149190), (14919, 115860), (17379, 99460), (19310, 89514), (19892, 86895), (23172, 74595), (24865, 69516), (28965, 59676), (29838, 57930), (34758, 49730), (38620, 44757)]