821239740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{15787}}^1$

素因数の和:15836

約数の個数: 108

約数和(自身を含む): 2646416136

約数和(自身を除く): 1825176396

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 289, 306, 340, 510, 578, 612, 765, 867, 1020, 1156, 1445, 1530, 1734, 2601, 2890, 3060, 3468, 4335, 5202, 5780, 8670, 10404, 13005, 15787, 17340, 26010, 31574, 47361, 52020, 63148, 78935, 94722, 142083, 157870, 189444, 236805, 268379, 284166, 315740, 473610, 536758, 568332, 710415, 805137, 947220, 1073516, 1341895, 1420830, 1610274, 2415411, 2683790, 2841660, 3220548, 4025685, 4562443, 4830822, 5367580, 8051370, 9124886, 9661644, 12077055, 13687329, 16102740, 18249772, 22812215, 24154110, 27374658, 41061987, 45624430, 48308220, 54749316, 68436645, 82123974, 91248860, 136873290, 164247948, 205309935, 273746580, 410619870, 821239740]

約数ペア:

[(1, 821239740), (2, 410619870), (3, 273746580), (4, 205309935), (5, 164247948), (6, 136873290), (9, 91248860), (10, 82123974), (12, 68436645), (15, 54749316), (17, 48308220), (18, 45624430), (20, 41061987), (30, 27374658), (34, 24154110), (36, 22812215), (45, 18249772), (51, 16102740), (60, 13687329), (68, 12077055), (85, 9661644), (90, 9124886), (102, 8051370), (153, 5367580), (170, 4830822), (180, 4562443), (204, 4025685), (255, 3220548), (289, 2841660), (306, 2683790), (340, 2415411), (510, 1610274), (578, 1420830), (612, 1341895), (765, 1073516), (867, 947220), (1020, 805137), (1156, 710415), (1445, 568332), (1530, 536758), (1734, 473610), (2601, 315740), (2890, 284166), (3060, 268379), (3468, 236805), (4335, 189444), (5202, 157870), (5780, 142083), (8670, 94722), (10404, 78935), (13005, 63148), (15787, 52020), (17340, 47361), (26010, 31574)]