18668520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3989}}^1$

素因数の和:4019

約数の個数: 96

約数和(自身を含む): 65356200

約数和(自身を除く): 46687680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 180, 195, 234, 260, 312, 360, 390, 468, 520, 585, 780, 936, 1170, 1560, 2340, 3989, 4680, 7978, 11967, 15956, 19945, 23934, 31912, 35901, 39890, 47868, 51857, 59835, 71802, 79780, 95736, 103714, 119670, 143604, 155571, 159560, 179505, 207428, 239340, 259285, 287208, 311142, 359010, 414856, 466713, 478680, 518570, 622284, 718020, 777855, 933426, 1037140, 1244568, 1436040, 1555710, 1866852, 2074280, 2333565, 3111420, 3733704, 4667130, 6222840, 9334260, 18668520]

約数ペア:

[(1, 18668520), (2, 9334260), (3, 6222840), (4, 4667130), (5, 3733704), (6, 3111420), (8, 2333565), (9, 2074280), (10, 1866852), (12, 1555710), (13, 1436040), (15, 1244568), (18, 1037140), (20, 933426), (24, 777855), (26, 718020), (30, 622284), (36, 518570), (39, 478680), (40, 466713), (45, 414856), (52, 359010), (60, 311142), (65, 287208), (72, 259285), (78, 239340), (90, 207428), (104, 179505), (117, 159560), (120, 155571), (130, 143604), (156, 119670), (180, 103714), (195, 95736), (234, 79780), (260, 71802), (312, 59835), (360, 51857), (390, 47868), (468, 39890), (520, 35901), (585, 31912), (780, 23934), (936, 19945), (1170, 15956), (1560, 11967), (2340, 7978), (3989, 4680)]