285507540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{263}}^1$

素因数の和:478

約数の個数: 144

約数和(自身を含む): 898305408

約数和(自身を除く): 612797868

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 163, 180, 185, 222, 263, 326, 333, 370, 444, 489, 526, 555, 652, 666, 740, 789, 815, 978, 1052, 1110, 1315, 1332, 1467, 1578, 1630, 1665, 1956, 2220, 2367, 2445, 2630, 2934, 3156, 3260, 3330, 3945, 4734, 4890, 5260, 5868, 6031, 6660, 7335, 7890, 9468, 9731, 9780, 11835, 12062, 14670, 15780, 18093, 19462, 23670, 24124, 29193, 29340, 30155, 36186, 38924, 42869, 47340, 48655, 54279, 58386, 60310, 72372, 85738, 87579, 90465, 97310, 108558, 116772, 120620, 128607, 145965, 171476, 175158, 180930, 194620, 214345, 217116, 257214, 271395, 291930, 350316, 361860, 385821, 428690, 437895, 514428, 542790, 583860, 643035, 771642, 857380, 875790, 1085580, 1286070, 1543284, 1586153, 1751580, 1929105, 2572140, 3172306, 3858210, 4758459, 6344612, 7716420, 7930765, 9516918, 14275377, 15861530, 19033836, 23792295, 28550754, 31723060, 47584590, 57101508, 71376885, 95169180, 142753770, 285507540]

約数ペア:

[(1, 285507540), (2, 142753770), (3, 95169180), (4, 71376885), (5, 57101508), (6, 47584590), (9, 31723060), (10, 28550754), (12, 23792295), (15, 19033836), (18, 15861530), (20, 14275377), (30, 9516918), (36, 7930765), (37, 7716420), (45, 6344612), (60, 4758459), (74, 3858210), (90, 3172306), (111, 2572140), (148, 1929105), (163, 1751580), (180, 1586153), (185, 1543284), (222, 1286070), (263, 1085580), (326, 875790), (333, 857380), (370, 771642), (444, 643035), (489, 583860), (526, 542790), (555, 514428), (652, 437895), (666, 428690), (740, 385821), (789, 361860), (815, 350316), (978, 291930), (1052, 271395), (1110, 257214), (1315, 217116), (1332, 214345), (1467, 194620), (1578, 180930), (1630, 175158), (1665, 171476), (1956, 145965), (2220, 128607), (2367, 120620), (2445, 116772), (2630, 108558), (2934, 97310), (3156, 90465), (3260, 87579), (3330, 85738), (3945, 72372), (4734, 60310), (4890, 58386), (5260, 54279), (5868, 48655), (6031, 47340), (6660, 42869), (7335, 38924), (7890, 36186), (9468, 30155), (9731, 29340), (9780, 29193), (11835, 24124), (12062, 23670), (14670, 19462), (15780, 18093)]