79720920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{221447}}^1$

素因数の和:221464

約数の個数: 48

約数和(自身を含む): 259094160

約数和(自身を除く): 179373240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 221447, 442894, 664341, 885788, 1107235, 1328682, 1771576, 1993023, 2214470, 2657364, 3321705, 3986046, 4428940, 5314728, 6643410, 7972092, 8857880, 9965115, 13286820, 15944184, 19930230, 26573640, 39860460, 79720920]

約数ペア:

[(1, 79720920), (2, 39860460), (3, 26573640), (4, 19930230), (5, 15944184), (6, 13286820), (8, 9965115), (9, 8857880), (10, 7972092), (12, 6643410), (15, 5314728), (18, 4428940), (20, 3986046), (24, 3321705), (30, 2657364), (36, 2214470), (40, 1993023), (45, 1771576), (60, 1328682), (72, 1107235), (90, 885788), (120, 664341), (180, 442894), (360, 221447)]