68257040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1619}}^1$

素因数の和:1680

約数の個数: 80

約数和(自身を含む): 173560320

約数和(自身を除く): 105303280

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 62, 68, 80, 85, 124, 136, 155, 170, 248, 272, 310, 340, 496, 527, 620, 680, 1054, 1240, 1360, 1619, 2108, 2480, 2635, 3238, 4216, 5270, 6476, 8095, 8432, 10540, 12952, 16190, 21080, 25904, 27523, 32380, 42160, 50189, 55046, 64760, 100378, 110092, 129520, 137615, 200756, 220184, 250945, 275230, 401512, 440368, 501890, 550460, 803024, 853213, 1003780, 1100920, 1706426, 2007560, 2201840, 3412852, 4015120, 4266065, 6825704, 8532130, 13651408, 17064260, 34128520, 68257040]

約数ペア:

[(1, 68257040), (2, 34128520), (4, 17064260), (5, 13651408), (8, 8532130), (10, 6825704), (16, 4266065), (17, 4015120), (20, 3412852), (31, 2201840), (34, 2007560), (40, 1706426), (62, 1100920), (68, 1003780), (80, 853213), (85, 803024), (124, 550460), (136, 501890), (155, 440368), (170, 401512), (248, 275230), (272, 250945), (310, 220184), (340, 200756), (496, 137615), (527, 129520), (620, 110092), (680, 100378), (1054, 64760), (1240, 55046), (1360, 50189), (1619, 42160), (2108, 32380), (2480, 27523), (2635, 25904), (3238, 21080), (4216, 16190), (5270, 12952), (6476, 10540), (8095, 8432)]