78979140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{7193}}^1$

素因数の和:7269

約数の個数: 72

約数和(自身を含む): 243531288

約数和(自身を除く): 164552148

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 549, 610, 732, 915, 1098, 1220, 1830, 2196, 2745, 3660, 5490, 7193, 10980, 14386, 21579, 28772, 35965, 43158, 64737, 71930, 86316, 107895, 129474, 143860, 215790, 258948, 323685, 431580, 438773, 647370, 877546, 1294740, 1316319, 1755092, 2193865, 2632638, 3948957, 4387730, 5265276, 6581595, 7897914, 8775460, 13163190, 15795828, 19744785, 26326380, 39489570, 78979140]

約数ペア:

[(1, 78979140), (2, 39489570), (3, 26326380), (4, 19744785), (5, 15795828), (6, 13163190), (9, 8775460), (10, 7897914), (12, 6581595), (15, 5265276), (18, 4387730), (20, 3948957), (30, 2632638), (36, 2193865), (45, 1755092), (60, 1316319), (61, 1294740), (90, 877546), (122, 647370), (180, 438773), (183, 431580), (244, 323685), (305, 258948), (366, 215790), (549, 143860), (610, 129474), (732, 107895), (915, 86316), (1098, 71930), (1220, 64737), (1830, 43158), (2196, 35965), (2745, 28772), (3660, 21579), (5490, 14386), (7193, 10980)]