18557100

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:134

約数の個数: 180

約数和(自身を含む): 63016800

約数和(自身を除く): 44459700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 29, 30, 36, 45, 50, 54, 58, 60, 75, 79, 81, 87, 90, 100, 108, 116, 135, 145, 150, 158, 162, 174, 180, 225, 237, 261, 270, 290, 300, 316, 324, 348, 395, 405, 435, 450, 474, 522, 540, 580, 675, 711, 725, 783, 790, 810, 870, 900, 948, 1044, 1185, 1305, 1350, 1422, 1450, 1566, 1580, 1620, 1740, 1975, 2025, 2133, 2175, 2291, 2349, 2370, 2610, 2700, 2844, 2900, 3132, 3555, 3915, 3950, 4050, 4266, 4350, 4582, 4698, 4740, 5220, 5925, 6399, 6525, 6873, 7110, 7830, 7900, 8100, 8532, 8700, 9164, 9396, 10665, 11455, 11745, 11850, 12798, 13050, 13746, 14220, 15660, 17775, 19575, 20619, 21330, 22910, 23490, 23700, 25596, 26100, 27492, 31995, 34365, 35550, 39150, 41238, 42660, 45820, 46980, 53325, 57275, 58725, 61857, 63990, 68730, 71100, 78300, 82476, 103095, 106650, 114550, 117450, 123714, 127980, 137460, 159975, 171825, 185571, 206190, 213300, 229100, 234900, 247428, 309285, 319950, 343650, 371142, 412380, 515475, 618570, 639900, 687300, 742284, 927855, 1030950, 1237140, 1546425, 1855710, 2061900, 3092850, 3711420, 4639275, 6185700, 9278550, 18557100]

約数ペア:

[(1, 18557100), (2, 9278550), (3, 6185700), (4, 4639275), (5, 3711420), (6, 3092850), (9, 2061900), (10, 1855710), (12, 1546425), (15, 1237140), (18, 1030950), (20, 927855), (25, 742284), (27, 687300), (29, 639900), (30, 618570), (36, 515475), (45, 412380), (50, 371142), (54, 343650), (58, 319950), (60, 309285), (75, 247428), (79, 234900), (81, 229100), (87, 213300), (90, 206190), (100, 185571), (108, 171825), (116, 159975), (135, 137460), (145, 127980), (150, 123714), (158, 117450), (162, 114550), (174, 106650), (180, 103095), (225, 82476), (237, 78300), (261, 71100), (270, 68730), (290, 63990), (300, 61857), (316, 58725), (324, 57275), (348, 53325), (395, 46980), (405, 45820), (435, 42660), (450, 41238), (474, 39150), (522, 35550), (540, 34365), (580, 31995), (675, 27492), (711, 26100), (725, 25596), (783, 23700), (790, 23490), (810, 22910), (870, 21330), (900, 20619), (948, 19575), (1044, 17775), (1185, 15660), (1305, 14220), (1350, 13746), (1422, 13050), (1450, 12798), (1566, 11850), (1580, 11745), (1620, 11455), (1740, 10665), (1975, 9396), (2025, 9164), (2133, 8700), (2175, 8532), (2291, 8100), (2349, 7900), (2370, 7830), (2610, 7110), (2700, 6873), (2844, 6525), (2900, 6399), (3132, 5925), (3555, 5220), (3915, 4740), (3950, 4698), (4050, 4582), (4266, 4350)]