78615720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1667}}^1$

素因数の和:1815

約数の個数: 96

約数和(自身を含む): 257605920

約数和(自身を除く): 178990200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 131, 180, 262, 360, 393, 524, 655, 786, 1048, 1179, 1310, 1572, 1667, 1965, 2358, 2620, 3144, 3334, 3930, 4716, 5001, 5240, 5895, 6668, 7860, 8335, 9432, 10002, 11790, 13336, 15003, 15720, 16670, 20004, 23580, 25005, 30006, 33340, 40008, 47160, 50010, 60012, 66680, 75015, 100020, 120024, 150030, 200040, 218377, 300060, 436754, 600120, 655131, 873508, 1091885, 1310262, 1747016, 1965393, 2183770, 2620524, 3275655, 3930786, 4367540, 5241048, 6551310, 7861572, 8735080, 9826965, 13102620, 15723144, 19653930, 26205240, 39307860, 78615720]

約数ペア:

[(1, 78615720), (2, 39307860), (3, 26205240), (4, 19653930), (5, 15723144), (6, 13102620), (8, 9826965), (9, 8735080), (10, 7861572), (12, 6551310), (15, 5241048), (18, 4367540), (20, 3930786), (24, 3275655), (30, 2620524), (36, 2183770), (40, 1965393), (45, 1747016), (60, 1310262), (72, 1091885), (90, 873508), (120, 655131), (131, 600120), (180, 436754), (262, 300060), (360, 218377), (393, 200040), (524, 150030), (655, 120024), (786, 100020), (1048, 75015), (1179, 66680), (1310, 60012), (1572, 50010), (1667, 47160), (1965, 40008), (2358, 33340), (2620, 30006), (3144, 25005), (3334, 23580), (3930, 20004), (4716, 16670), (5001, 15720), (5240, 15003), (5895, 13336), (6668, 11790), (7860, 10002), (8335, 9432)]