77158480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{653}}^1$

素因数の和:884

約数の個数: 80

約数和(自身を含む): 206308224

約数和(自身を除く): 129149744

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 211, 280, 422, 560, 653, 844, 1055, 1306, 1477, 1688, 2110, 2612, 2954, 3265, 3376, 4220, 4571, 5224, 5908, 6530, 7385, 8440, 9142, 10448, 11816, 13060, 14770, 16880, 18284, 22855, 23632, 26120, 29540, 36568, 45710, 52240, 59080, 73136, 91420, 118160, 137783, 182840, 275566, 365680, 551132, 688915, 964481, 1102264, 1377830, 1928962, 2204528, 2755660, 3857924, 4822405, 5511320, 7715848, 9644810, 11022640, 15431696, 19289620, 38579240, 77158480]

約数ペア:

[(1, 77158480), (2, 38579240), (4, 19289620), (5, 15431696), (7, 11022640), (8, 9644810), (10, 7715848), (14, 5511320), (16, 4822405), (20, 3857924), (28, 2755660), (35, 2204528), (40, 1928962), (56, 1377830), (70, 1102264), (80, 964481), (112, 688915), (140, 551132), (211, 365680), (280, 275566), (422, 182840), (560, 137783), (653, 118160), (844, 91420), (1055, 73136), (1306, 59080), (1477, 52240), (1688, 45710), (2110, 36568), (2612, 29540), (2954, 26120), (3265, 23632), (3376, 22855), (4220, 18284), (4571, 16880), (5224, 14770), (5908, 13060), (6530, 11816), (7385, 10448), (8440, 9142)]