73281520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2273}}^1$

素因数の和:2330

約数の個数: 80

約数和(自身を含む): 189487872

約数和(自身を除く): 116206352

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2273, 2480, 3224, 4030, 4546, 6448, 8060, 9092, 11365, 16120, 18184, 22730, 29549, 32240, 36368, 45460, 59098, 70463, 90920, 118196, 140926, 147745, 181840, 236392, 281852, 295490, 352315, 472784, 563704, 590980, 704630, 916019, 1127408, 1181960, 1409260, 1832038, 2363920, 2818520, 3664076, 4580095, 5637040, 7328152, 9160190, 14656304, 18320380, 36640760, 73281520]

約数ペア:

[(1, 73281520), (2, 36640760), (4, 18320380), (5, 14656304), (8, 9160190), (10, 7328152), (13, 5637040), (16, 4580095), (20, 3664076), (26, 2818520), (31, 2363920), (40, 1832038), (52, 1409260), (62, 1181960), (65, 1127408), (80, 916019), (104, 704630), (124, 590980), (130, 563704), (155, 472784), (208, 352315), (248, 295490), (260, 281852), (310, 236392), (403, 181840), (496, 147745), (520, 140926), (620, 118196), (806, 90920), (1040, 70463), (1240, 59098), (1612, 45460), (2015, 36368), (2273, 32240), (2480, 29549), (3224, 22730), (4030, 18184), (4546, 16120), (6448, 11365), (8060, 9092)]