305513460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{839}}^1$

素因数の和:895

約数の個数: 216

約数和(自身を含む): 1126419840

約数和(自身を除く): 820906380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 51, 60, 63, 68, 70, 84, 85, 90, 102, 105, 119, 126, 140, 153, 170, 180, 204, 210, 238, 252, 255, 289, 306, 315, 340, 357, 420, 476, 510, 578, 595, 612, 630, 714, 765, 839, 867, 1020, 1071, 1156, 1190, 1260, 1428, 1445, 1530, 1678, 1734, 1785, 2023, 2142, 2380, 2517, 2601, 2890, 3060, 3356, 3468, 3570, 4046, 4195, 4284, 4335, 5034, 5202, 5355, 5780, 5873, 6069, 7140, 7551, 8092, 8390, 8670, 10068, 10115, 10404, 10710, 11746, 12138, 12585, 13005, 14263, 15102, 16780, 17340, 17619, 18207, 20230, 21420, 23492, 24276, 25170, 26010, 28526, 29365, 30204, 30345, 35238, 36414, 37755, 40460, 42789, 50340, 52020, 52857, 57052, 58730, 60690, 70476, 71315, 72828, 75510, 85578, 88095, 91035, 99841, 105714, 117460, 121380, 128367, 142630, 151020, 171156, 176190, 182070, 199682, 211428, 213945, 242471, 256734, 264285, 285260, 299523, 352380, 364140, 399364, 427890, 484942, 499205, 513468, 528570, 599046, 641835, 727413, 855780, 898569, 969884, 998410, 1057140, 1198092, 1212355, 1283670, 1454826, 1497615, 1697297, 1797138, 1996820, 2182239, 2424710, 2567340, 2909652, 2995230, 3394594, 3594276, 3637065, 4364478, 4492845, 4849420, 5091891, 5990460, 6789188, 7274130, 8486485, 8728956, 8985690, 10183782, 10911195, 14548260, 15275673, 16972970, 17971380, 20367564, 21822390, 25459455, 30551346, 33945940, 43644780, 50918910, 61102692, 76378365, 101837820, 152756730, 305513460]

約数ペア:

[(1, 305513460), (2, 152756730), (3, 101837820), (4, 76378365), (5, 61102692), (6, 50918910), (7, 43644780), (9, 33945940), (10, 30551346), (12, 25459455), (14, 21822390), (15, 20367564), (17, 17971380), (18, 16972970), (20, 15275673), (21, 14548260), (28, 10911195), (30, 10183782), (34, 8985690), (35, 8728956), (36, 8486485), (42, 7274130), (45, 6789188), (51, 5990460), (60, 5091891), (63, 4849420), (68, 4492845), (70, 4364478), (84, 3637065), (85, 3594276), (90, 3394594), (102, 2995230), (105, 2909652), (119, 2567340), (126, 2424710), (140, 2182239), (153, 1996820), (170, 1797138), (180, 1697297), (204, 1497615), (210, 1454826), (238, 1283670), (252, 1212355), (255, 1198092), (289, 1057140), (306, 998410), (315, 969884), (340, 898569), (357, 855780), (420, 727413), (476, 641835), (510, 599046), (578, 528570), (595, 513468), (612, 499205), (630, 484942), (714, 427890), (765, 399364), (839, 364140), (867, 352380), (1020, 299523), (1071, 285260), (1156, 264285), (1190, 256734), (1260, 242471), (1428, 213945), (1445, 211428), (1530, 199682), (1678, 182070), (1734, 176190), (1785, 171156), (2023, 151020), (2142, 142630), (2380, 128367), (2517, 121380), (2601, 117460), (2890, 105714), (3060, 99841), (3356, 91035), (3468, 88095), (3570, 85578), (4046, 75510), (4195, 72828), (4284, 71315), (4335, 70476), (5034, 60690), (5202, 58730), (5355, 57052), (5780, 52857), (5873, 52020), (6069, 50340), (7140, 42789), (7551, 40460), (8092, 37755), (8390, 36414), (8670, 35238), (10068, 30345), (10115, 30204), (10404, 29365), (10710, 28526), (11746, 26010), (12138, 25170), (12585, 24276), (13005, 23492), (14263, 21420), (15102, 20230), (16780, 18207), (17340, 17619)]