16871820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{139}}^1$

素因数の和:192

約数の個数: 144

約数和(自身を含む): 57765120

約数和(自身を除く): 40893300

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 84, 85, 102, 105, 119, 139, 140, 170, 204, 210, 238, 255, 278, 289, 340, 357, 417, 420, 476, 510, 556, 578, 595, 695, 714, 834, 867, 973, 1020, 1156, 1190, 1390, 1428, 1445, 1668, 1734, 1785, 1946, 2023, 2085, 2363, 2380, 2780, 2890, 2919, 3468, 3570, 3892, 4046, 4170, 4335, 4726, 4865, 5780, 5838, 6069, 7089, 7140, 8092, 8340, 8670, 9452, 9730, 10115, 11676, 11815, 12138, 14178, 14595, 16541, 17340, 19460, 20230, 23630, 24276, 28356, 29190, 30345, 33082, 35445, 40171, 40460, 47260, 49623, 58380, 60690, 66164, 70890, 80342, 82705, 99246, 120513, 121380, 141780, 160684, 165410, 198492, 200855, 241026, 248115, 281197, 330820, 401710, 482052, 496230, 562394, 602565, 803420, 843591, 992460, 1124788, 1205130, 1405985, 1687182, 2410260, 2811970, 3374364, 4217955, 5623940, 8435910, 16871820]

約数ペア:

[(1, 16871820), (2, 8435910), (3, 5623940), (4, 4217955), (5, 3374364), (6, 2811970), (7, 2410260), (10, 1687182), (12, 1405985), (14, 1205130), (15, 1124788), (17, 992460), (20, 843591), (21, 803420), (28, 602565), (30, 562394), (34, 496230), (35, 482052), (42, 401710), (51, 330820), (60, 281197), (68, 248115), (70, 241026), (84, 200855), (85, 198492), (102, 165410), (105, 160684), (119, 141780), (139, 121380), (140, 120513), (170, 99246), (204, 82705), (210, 80342), (238, 70890), (255, 66164), (278, 60690), (289, 58380), (340, 49623), (357, 47260), (417, 40460), (420, 40171), (476, 35445), (510, 33082), (556, 30345), (578, 29190), (595, 28356), (695, 24276), (714, 23630), (834, 20230), (867, 19460), (973, 17340), (1020, 16541), (1156, 14595), (1190, 14178), (1390, 12138), (1428, 11815), (1445, 11676), (1668, 10115), (1734, 9730), (1785, 9452), (1946, 8670), (2023, 8340), (2085, 8092), (2363, 7140), (2380, 7089), (2780, 6069), (2890, 5838), (2919, 5780), (3468, 4865), (3570, 4726), (3892, 4335), (4046, 4170)]