201721320

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{10987}}^1$

素因数の和:11024

約数の個数: 128

約数和(自身を含む): 712022400

約数和(自身を除く): 510301080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 27, 30, 34, 36, 40, 45, 51, 54, 60, 68, 72, 85, 90, 102, 108, 120, 135, 136, 153, 170, 180, 204, 216, 255, 270, 306, 340, 360, 408, 459, 510, 540, 612, 680, 765, 918, 1020, 1080, 1224, 1530, 1836, 2040, 2295, 3060, 3672, 4590, 6120, 9180, 10987, 18360, 21974, 32961, 43948, 54935, 65922, 87896, 98883, 109870, 131844, 164805, 186779, 197766, 219740, 263688, 296649, 329610, 373558, 395532, 439480, 494415, 560337, 593298, 659220, 747116, 791064, 933895, 988830, 1120674, 1186596, 1318440, 1483245, 1494232, 1681011, 1867790, 1977660, 2241348, 2373192, 2801685, 2966490, 3362022, 3735580, 3955320, 4482696, 5043033, 5603370, 5932980, 6724044, 7471160, 8405055, 10086066, 11206740, 11865960, 13448088, 16810110, 20172132, 22413480, 25215165, 33620220, 40344264, 50430330, 67240440, 100860660, 201721320]

約数ペア:

[(1, 201721320), (2, 100860660), (3, 67240440), (4, 50430330), (5, 40344264), (6, 33620220), (8, 25215165), (9, 22413480), (10, 20172132), (12, 16810110), (15, 13448088), (17, 11865960), (18, 11206740), (20, 10086066), (24, 8405055), (27, 7471160), (30, 6724044), (34, 5932980), (36, 5603370), (40, 5043033), (45, 4482696), (51, 3955320), (54, 3735580), (60, 3362022), (68, 2966490), (72, 2801685), (85, 2373192), (90, 2241348), (102, 1977660), (108, 1867790), (120, 1681011), (135, 1494232), (136, 1483245), (153, 1318440), (170, 1186596), (180, 1120674), (204, 988830), (216, 933895), (255, 791064), (270, 747116), (306, 659220), (340, 593298), (360, 560337), (408, 494415), (459, 439480), (510, 395532), (540, 373558), (612, 329610), (680, 296649), (765, 263688), (918, 219740), (1020, 197766), (1080, 186779), (1224, 164805), (1530, 131844), (1836, 109870), (2040, 98883), (2295, 87896), (3060, 65922), (3672, 54935), (4590, 43948), (6120, 32961), (9180, 21974), (10987, 18360)]