687550240

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{10663}}^1$

素因数の和:10722

約数の個数: 96

約数和(自身を含む): 1805884416

約数和(自身を除く): 1118334176

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 65, 80, 104, 124, 130, 155, 160, 208, 248, 260, 310, 403, 416, 496, 520, 620, 806, 992, 1040, 1240, 1612, 2015, 2080, 2480, 3224, 4030, 4960, 6448, 8060, 10663, 12896, 16120, 21326, 32240, 42652, 53315, 64480, 85304, 106630, 138619, 170608, 213260, 277238, 330553, 341216, 426520, 554476, 661106, 693095, 853040, 1108952, 1322212, 1386190, 1652765, 1706080, 2217904, 2644424, 2772380, 3305530, 4297189, 4435808, 5288848, 5544760, 6611060, 8594378, 10577696, 11089520, 13222120, 17188756, 21485945, 22179040, 26444240, 34377512, 42971890, 52888480, 68755024, 85943780, 137510048, 171887560, 343775120, 687550240]

約数ペア:

[(1, 687550240), (2, 343775120), (4, 171887560), (5, 137510048), (8, 85943780), (10, 68755024), (13, 52888480), (16, 42971890), (20, 34377512), (26, 26444240), (31, 22179040), (32, 21485945), (40, 17188756), (52, 13222120), (62, 11089520), (65, 10577696), (80, 8594378), (104, 6611060), (124, 5544760), (130, 5288848), (155, 4435808), (160, 4297189), (208, 3305530), (248, 2772380), (260, 2644424), (310, 2217904), (403, 1706080), (416, 1652765), (496, 1386190), (520, 1322212), (620, 1108952), (806, 853040), (992, 693095), (1040, 661106), (1240, 554476), (1612, 426520), (2015, 341216), (2080, 330553), (2480, 277238), (3224, 213260), (4030, 170608), (4960, 138619), (6448, 106630), (8060, 85304), (10663, 64480), (12896, 53315), (16120, 42652), (21326, 32240)]