123971820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{179}}^1$

素因数の和:312

約数の個数: 192

約数和(自身を含む): 426746880

約数和(自身を除く): 302775060

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, 97, 102, 105, 119, 140, 170, 179, 194, 204, 210, 238, 255, 291, 340, 357, 358, 388, 420, 476, 485, 510, 537, 582, 595, 679, 714, 716, 895, 970, 1020, 1074, 1164, 1190, 1253, 1358, 1428, 1455, 1649, 1785, 1790, 1940, 2037, 2148, 2380, 2506, 2685, 2716, 2910, 3043, 3298, 3395, 3570, 3580, 3759, 4074, 4947, 5012, 5370, 5820, 6086, 6265, 6596, 6790, 7140, 7518, 8148, 8245, 9129, 9894, 10185, 10740, 11543, 12172, 12530, 13580, 15036, 15215, 16490, 17363, 18258, 18795, 19788, 20370, 21301, 23086, 24735, 25060, 30430, 32980, 34629, 34726, 36516, 37590, 40740, 42602, 45645, 46172, 49470, 52089, 57715, 60860, 63903, 69258, 69452, 75180, 85204, 86815, 91290, 98940, 104178, 106505, 115430, 121541, 127806, 138516, 173145, 173630, 182580, 208356, 213010, 230860, 243082, 255612, 260445, 295171, 319515, 346290, 347260, 364623, 426020, 486164, 520890, 590342, 607705, 639030, 692580, 729246, 885513, 1041780, 1180684, 1215410, 1278060, 1458492, 1475855, 1771026, 1823115, 2066197, 2430820, 2951710, 3542052, 3646230, 4132394, 4427565, 5903420, 6198591, 7292460, 8264788, 8855130, 10330985, 12397182, 17710260, 20661970, 24794364, 30992955, 41323940, 61985910, 123971820]

約数ペア:

[(1, 123971820), (2, 61985910), (3, 41323940), (4, 30992955), (5, 24794364), (6, 20661970), (7, 17710260), (10, 12397182), (12, 10330985), (14, 8855130), (15, 8264788), (17, 7292460), (20, 6198591), (21, 5903420), (28, 4427565), (30, 4132394), (34, 3646230), (35, 3542052), (42, 2951710), (51, 2430820), (60, 2066197), (68, 1823115), (70, 1771026), (84, 1475855), (85, 1458492), (97, 1278060), (102, 1215410), (105, 1180684), (119, 1041780), (140, 885513), (170, 729246), (179, 692580), (194, 639030), (204, 607705), (210, 590342), (238, 520890), (255, 486164), (291, 426020), (340, 364623), (357, 347260), (358, 346290), (388, 319515), (420, 295171), (476, 260445), (485, 255612), (510, 243082), (537, 230860), (582, 213010), (595, 208356), (679, 182580), (714, 173630), (716, 173145), (895, 138516), (970, 127806), (1020, 121541), (1074, 115430), (1164, 106505), (1190, 104178), (1253, 98940), (1358, 91290), (1428, 86815), (1455, 85204), (1649, 75180), (1785, 69452), (1790, 69258), (1940, 63903), (2037, 60860), (2148, 57715), (2380, 52089), (2506, 49470), (2685, 46172), (2716, 45645), (2910, 42602), (3043, 40740), (3298, 37590), (3395, 36516), (3570, 34726), (3580, 34629), (3759, 32980), (4074, 30430), (4947, 25060), (5012, 24735), (5370, 23086), (5820, 21301), (6086, 20370), (6265, 19788), (6596, 18795), (6790, 18258), (7140, 17363), (7518, 16490), (8148, 15215), (8245, 15036), (9129, 13580), (9894, 12530), (10185, 12172), (10740, 11543)]