78616120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{439}}^1$

素因数の和:509

約数の個数: 96

約数和(自身を含む): 200138400

約数和(自身を除く): 121522280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 88, 110, 121, 148, 185, 220, 242, 296, 370, 407, 439, 440, 484, 605, 740, 814, 878, 968, 1210, 1480, 1628, 1756, 2035, 2195, 2420, 3256, 3512, 4070, 4390, 4477, 4829, 4840, 8140, 8780, 8954, 9658, 16243, 16280, 17560, 17908, 19316, 22385, 24145, 32486, 35816, 38632, 44770, 48290, 53119, 64972, 81215, 89540, 96580, 106238, 129944, 162430, 178673, 179080, 193160, 212476, 265595, 324860, 357346, 424952, 531190, 649720, 714692, 893365, 1062380, 1429384, 1786730, 1965403, 2124760, 3573460, 3930806, 7146920, 7861612, 9827015, 15723224, 19654030, 39308060, 78616120]

約数ペア:

[(1, 78616120), (2, 39308060), (4, 19654030), (5, 15723224), (8, 9827015), (10, 7861612), (11, 7146920), (20, 3930806), (22, 3573460), (37, 2124760), (40, 1965403), (44, 1786730), (55, 1429384), (74, 1062380), (88, 893365), (110, 714692), (121, 649720), (148, 531190), (185, 424952), (220, 357346), (242, 324860), (296, 265595), (370, 212476), (407, 193160), (439, 179080), (440, 178673), (484, 162430), (605, 129944), (740, 106238), (814, 96580), (878, 89540), (968, 81215), (1210, 64972), (1480, 53119), (1628, 48290), (1756, 44770), (2035, 38632), (2195, 35816), (2420, 32486), (3256, 24145), (3512, 22385), (4070, 19316), (4390, 17908), (4477, 17560), (4829, 16280), (4840, 16243), (8140, 9658), (8780, 8954)]