78315920

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1373}}^1$

素因数の和:1440

約数の個数: 80

約数和(自身を含む): 196273152

約数和(自身を除く): 117957232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 40, 46, 62, 80, 92, 115, 124, 155, 184, 230, 248, 310, 368, 460, 496, 620, 713, 920, 1240, 1373, 1426, 1840, 2480, 2746, 2852, 3565, 5492, 5704, 6865, 7130, 10984, 11408, 13730, 14260, 21968, 27460, 28520, 31579, 42563, 54920, 57040, 63158, 85126, 109840, 126316, 157895, 170252, 212815, 252632, 315790, 340504, 425630, 505264, 631580, 681008, 851260, 978949, 1263160, 1702520, 1957898, 2526320, 3405040, 3915796, 4894745, 7831592, 9789490, 15663184, 19578980, 39157960, 78315920]

約数ペア:

[(1, 78315920), (2, 39157960), (4, 19578980), (5, 15663184), (8, 9789490), (10, 7831592), (16, 4894745), (20, 3915796), (23, 3405040), (31, 2526320), (40, 1957898), (46, 1702520), (62, 1263160), (80, 978949), (92, 851260), (115, 681008), (124, 631580), (155, 505264), (184, 425630), (230, 340504), (248, 315790), (310, 252632), (368, 212815), (460, 170252), (496, 157895), (620, 126316), (713, 109840), (920, 85126), (1240, 63158), (1373, 57040), (1426, 54920), (1840, 42563), (2480, 31579), (2746, 28520), (2852, 27460), (3565, 21968), (5492, 14260), (5704, 13730), (6865, 11408), (7130, 10984)]