78144120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1657}}^1$

素因数の和:1805

約数の個数: 96

約数和(自身を含む): 256061520

約数和(自身を除く): 177917400

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, 1657, 1965, 2358, 2620, 3144, 3314, 3930, 4716, 4971, 5240, 5895, 6628, 7860, 8285, 9432, 9942, 11790, 13256, 14913, 15720, 16570, 19884, 23580, 24855, 29826, 33140, 39768, 47160, 49710, 59652, 66280, 74565, 99420, 119304, 149130, 198840, 217067, 298260, 434134, 596520, 651201, 868268, 1085335, 1302402, 1736536, 1953603, 2170670, 2604804, 3256005, 3907206, 4341340, 5209608, 6512010, 7814412, 8682680, 9768015, 13024020, 15628824, 19536030, 26048040, 39072060, 78144120]

約数ペア:

[(1, 78144120), (2, 39072060), (3, 26048040), (4, 19536030), (5, 15628824), (6, 13024020), (8, 9768015), (9, 8682680), (10, 7814412), (12, 6512010), (15, 5209608), (18, 4341340), (20, 3907206), (24, 3256005), (30, 2604804), (36, 2170670), (40, 1953603), (45, 1736536), (60, 1302402), (72, 1085335), (90, 868268), (120, 651201), (131, 596520), (180, 434134), (262, 298260), (360, 217067), (393, 198840), (524, 149130), (655, 119304), (786, 99420), (1048, 74565), (1179, 66280), (1310, 59652), (1572, 49710), (1657, 47160), (1965, 39768), (2358, 33140), (2620, 29826), (3144, 24855), (3314, 23580), (3930, 19884), (4716, 16570), (4971, 15720), (5240, 14913), (5895, 13256), (6628, 11790), (7860, 9942), (8285, 9432)]