128228040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{2719}}^1$

素因数の和:2867

約数の個数: 96

約数和(自身を含む): 420076800

約数和(自身を除く): 291848760

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, 1965, 2358, 2620, 2719, 3144, 3930, 4716, 5240, 5438, 5895, 7860, 8157, 9432, 10876, 11790, 13595, 15720, 16314, 21752, 23580, 24471, 27190, 32628, 40785, 47160, 48942, 54380, 65256, 81570, 97884, 108760, 122355, 163140, 195768, 244710, 326280, 356189, 489420, 712378, 978840, 1068567, 1424756, 1780945, 2137134, 2849512, 3205701, 3561890, 4274268, 5342835, 6411402, 7123780, 8548536, 10685670, 12822804, 14247560, 16028505, 21371340, 25645608, 32057010, 42742680, 64114020, 128228040]

約数ペア:

[(1, 128228040), (2, 64114020), (3, 42742680), (4, 32057010), (5, 25645608), (6, 21371340), (8, 16028505), (9, 14247560), (10, 12822804), (12, 10685670), (15, 8548536), (18, 7123780), (20, 6411402), (24, 5342835), (30, 4274268), (36, 3561890), (40, 3205701), (45, 2849512), (60, 2137134), (72, 1780945), (90, 1424756), (120, 1068567), (131, 978840), (180, 712378), (262, 489420), (360, 356189), (393, 326280), (524, 244710), (655, 195768), (786, 163140), (1048, 122355), (1179, 108760), (1310, 97884), (1572, 81570), (1965, 65256), (2358, 54380), (2620, 48942), (2719, 47160), (3144, 40785), (3930, 32628), (4716, 27190), (5240, 24471), (5438, 23580), (5895, 21752), (7860, 16314), (8157, 15720), (9432, 13595), (10876, 11790)]