15707080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1$

素因数の和:334

約数の個数: 64

約数和(自身を含む): 37324800

約数和(自身を除く): 21617720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 53, 62, 106, 124, 155, 212, 239, 248, 265, 310, 424, 478, 530, 620, 956, 1060, 1195, 1240, 1643, 1912, 2120, 2390, 3286, 4780, 6572, 7409, 8215, 9560, 12667, 13144, 14818, 16430, 25334, 29636, 32860, 37045, 50668, 59272, 63335, 65720, 74090, 101336, 126670, 148180, 253340, 296360, 392677, 506680, 785354, 1570708, 1963385, 3141416, 3926770, 7853540, 15707080]

約数ペア:

[(1, 15707080), (2, 7853540), (4, 3926770), (5, 3141416), (8, 1963385), (10, 1570708), (20, 785354), (31, 506680), (40, 392677), (53, 296360), (62, 253340), (106, 148180), (124, 126670), (155, 101336), (212, 74090), (239, 65720), (248, 63335), (265, 59272), (310, 50668), (424, 37045), (478, 32860), (530, 29636), (620, 25334), (956, 16430), (1060, 14818), (1195, 13144), (1240, 12667), (1643, 9560), (1912, 8215), (2120, 7409), (2390, 6572), (3286, 4780)]