281018520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{4789}}^1$

素因数の和:4969

約数の個数: 96

約数和(自身を含む): 919105200

約数和(自身を除く): 638086680

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, 163, 180, 326, 360, 489, 652, 815, 978, 1304, 1467, 1630, 1956, 2445, 2934, 3260, 3912, 4789, 4890, 5868, 6520, 7335, 9578, 9780, 11736, 14367, 14670, 19156, 19560, 23945, 28734, 29340, 38312, 43101, 47890, 57468, 58680, 71835, 86202, 95780, 114936, 143670, 172404, 191560, 215505, 287340, 344808, 431010, 574680, 780607, 862020, 1561214, 1724040, 2341821, 3122428, 3903035, 4683642, 6244856, 7025463, 7806070, 9367284, 11709105, 14050926, 15612140, 18734568, 23418210, 28101852, 31224280, 35127315, 46836420, 56203704, 70254630, 93672840, 140509260, 281018520]

約数ペア:

[(1, 281018520), (2, 140509260), (3, 93672840), (4, 70254630), (5, 56203704), (6, 46836420), (8, 35127315), (9, 31224280), (10, 28101852), (12, 23418210), (15, 18734568), (18, 15612140), (20, 14050926), (24, 11709105), (30, 9367284), (36, 7806070), (40, 7025463), (45, 6244856), (60, 4683642), (72, 3903035), (90, 3122428), (120, 2341821), (163, 1724040), (180, 1561214), (326, 862020), (360, 780607), (489, 574680), (652, 431010), (815, 344808), (978, 287340), (1304, 215505), (1467, 191560), (1630, 172404), (1956, 143670), (2445, 114936), (2934, 95780), (3260, 86202), (3912, 71835), (4789, 58680), (4890, 57468), (5868, 47890), (6520, 43101), (7335, 38312), (9578, 29340), (9780, 28734), (11736, 23945), (14367, 19560), (14670, 19156)]