254261520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20773}}^1$

素因数の和:20809

約数の個数: 120

約数和(自身を含む): 904167576

約数和(自身を除く): 649906056

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 34, 36, 40, 45, 48, 51, 60, 68, 72, 80, 85, 90, 102, 120, 136, 144, 153, 170, 180, 204, 240, 255, 272, 306, 340, 360, 408, 510, 612, 680, 720, 765, 816, 1020, 1224, 1360, 1530, 2040, 2448, 3060, 4080, 6120, 12240, 20773, 41546, 62319, 83092, 103865, 124638, 166184, 186957, 207730, 249276, 311595, 332368, 353141, 373914, 415460, 498552, 623190, 706282, 747828, 830920, 934785, 997104, 1059423, 1246380, 1412564, 1495656, 1661840, 1765705, 1869570, 2118846, 2492760, 2825128, 2991312, 3178269, 3531410, 3739140, 4237692, 4985520, 5297115, 5650256, 6356538, 7062820, 7478280, 8475384, 10594230, 12713076, 14125640, 14956560, 15891345, 16950768, 21188460, 25426152, 28251280, 31782690, 42376920, 50852304, 63565380, 84753840, 127130760, 254261520]

約数ペア:

[(1, 254261520), (2, 127130760), (3, 84753840), (4, 63565380), (5, 50852304), (6, 42376920), (8, 31782690), (9, 28251280), (10, 25426152), (12, 21188460), (15, 16950768), (16, 15891345), (17, 14956560), (18, 14125640), (20, 12713076), (24, 10594230), (30, 8475384), (34, 7478280), (36, 7062820), (40, 6356538), (45, 5650256), (48, 5297115), (51, 4985520), (60, 4237692), (68, 3739140), (72, 3531410), (80, 3178269), (85, 2991312), (90, 2825128), (102, 2492760), (120, 2118846), (136, 1869570), (144, 1765705), (153, 1661840), (170, 1495656), (180, 1412564), (204, 1246380), (240, 1059423), (255, 997104), (272, 934785), (306, 830920), (340, 747828), (360, 706282), (408, 623190), (510, 498552), (612, 415460), (680, 373914), (720, 353141), (765, 332368), (816, 311595), (1020, 249276), (1224, 207730), (1360, 186957), (1530, 166184), (2040, 124638), (2448, 103865), (3060, 83092), (4080, 62319), (6120, 41546), (12240, 20773)]