204027660

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{41981}}^1$

素因数の和:42005

約数の個数: 72

約数和(自身を含む): 641820816

約数和(自身を除く): 437793156

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 41981, 83962, 125943, 167924, 209905, 251886, 377829, 419810, 503772, 629715, 755658, 839620, 1133487, 1259430, 1511316, 1889145, 2266974, 2518860, 3400461, 3778290, 4533948, 5667435, 6800922, 7556580, 10201383, 11334870, 13601844, 17002305, 20402766, 22669740, 34004610, 40805532, 51006915, 68009220, 102013830, 204027660]

約数ペア:

[(1, 204027660), (2, 102013830), (3, 68009220), (4, 51006915), (5, 40805532), (6, 34004610), (9, 22669740), (10, 20402766), (12, 17002305), (15, 13601844), (18, 11334870), (20, 10201383), (27, 7556580), (30, 6800922), (36, 5667435), (45, 4533948), (54, 3778290), (60, 3400461), (81, 2518860), (90, 2266974), (108, 1889145), (135, 1511316), (162, 1259430), (180, 1133487), (243, 839620), (270, 755658), (324, 629715), (405, 503772), (486, 419810), (540, 377829), (810, 251886), (972, 209905), (1215, 167924), (1620, 125943), (2430, 83962), (4860, 41981)]