9780149960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{421}}^1\times {\mathrm{509}}^1$

素因数の和:1111

約数の個数: 128

約数和(自身を含む): 25413177600

約数和(自身を除く): 15633027640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 163, 280, 326, 421, 509, 652, 815, 842, 1018, 1141, 1304, 1630, 1684, 2036, 2105, 2282, 2545, 2947, 3260, 3368, 3563, 4072, 4210, 4564, 5090, 5705, 5894, 6520, 7126, 8420, 9128, 10180, 11410, 11788, 14252, 14735, 16840, 17815, 20360, 22820, 23576, 28504, 29470, 35630, 45640, 58940, 68623, 71260, 82967, 117880, 137246, 142520, 165934, 214289, 274492, 331868, 343115, 414835, 428578, 480361, 548984, 580769, 663736, 686230, 829670, 857156, 960722, 1071445, 1161538, 1372460, 1500023, 1659340, 1714312, 1921444, 2142890, 2323076, 2401805, 2744920, 2903845, 3000046, 3318680, 3842888, 4285780, 4646152, 4803610, 5807690, 6000092, 7500115, 8571560, 9607220, 11615380, 12000184, 15000230, 19214440, 23230760, 30000460, 34929107, 60000920, 69858214, 139716428, 174645535, 244503749, 279432856, 349291070, 489007498, 698582140, 978014996, 1222518745, 1397164280, 1956029992, 2445037490, 4890074980, 9780149960]

約数ペア:

[(1, 9780149960), (2, 4890074980), (4, 2445037490), (5, 1956029992), (7, 1397164280), (8, 1222518745), (10, 978014996), (14, 698582140), (20, 489007498), (28, 349291070), (35, 279432856), (40, 244503749), (56, 174645535), (70, 139716428), (140, 69858214), (163, 60000920), (280, 34929107), (326, 30000460), (421, 23230760), (509, 19214440), (652, 15000230), (815, 12000184), (842, 11615380), (1018, 9607220), (1141, 8571560), (1304, 7500115), (1630, 6000092), (1684, 5807690), (2036, 4803610), (2105, 4646152), (2282, 4285780), (2545, 3842888), (2947, 3318680), (3260, 3000046), (3368, 2903845), (3563, 2744920), (4072, 2401805), (4210, 2323076), (4564, 2142890), (5090, 1921444), (5705, 1714312), (5894, 1659340), (6520, 1500023), (7126, 1372460), (8420, 1161538), (9128, 1071445), (10180, 960722), (11410, 857156), (11788, 829670), (14252, 686230), (14735, 663736), (16840, 580769), (17815, 548984), (20360, 480361), (22820, 428578), (23576, 414835), (28504, 343115), (29470, 331868), (35630, 274492), (45640, 214289), (58940, 165934), (68623, 142520), (71260, 137246), (82967, 117880)]