About the Number

215138430

215138429 ← → 215138431

2進数表記:1100110100101100000001111110

漢数字表記:二億千五百十三万八千四百三十

素因数分解:

2 1 × 3 4 × 5 1 × 13 1 × 20431 1

素因数の和:20463
約数の個数: 80
約数和(自身を含む): 623012544
約数和(自身を除く): 407874114

約数列:
[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 81, 90, 117, 130, 135, 162, 195, 234, 270, 351, 390, 405, 585, 702, 810, 1053, 1170, 1755, 2106, 3510, 5265, 10530, 20431, 40862, 61293, 102155, 122586, 183879, 204310, 265603, 306465, 367758, 531206, 551637, 612930, 796809, 919395, 1103274, 1328015, 1593618, 1654911, 1838790, 2390427, 2656030, 2758185, 3309822, 3984045, 4780854, 5516370, 7171281, 7968090, 8274555, 11952135, 14342562, 16549110, 21513843, 23904270, 35856405, 43027686, 71712810, 107569215, 215138430]

約数ペア:
[(1, 215138430), (2, 107569215), (3, 71712810), (5, 43027686), (6, 35856405), (9, 23904270), (10, 21513843), (13, 16549110), (15, 14342562), (18, 11952135), (26, 8274555), (27, 7968090), (30, 7171281), (39, 5516370), (45, 4780854), (54, 3984045), (65, 3309822), (78, 2758185), (81, 2656030), (90, 2390427), (117, 1838790), (130, 1654911), (135, 1593618), (162, 1328015), (195, 1103274), (234, 919395), (270, 796809), (351, 612930), (390, 551637), (405, 531206), (585, 367758), (702, 306465), (810, 265603), (1053, 204310), (1170, 183879), (1755, 122586), (2106, 102155), (3510, 61293), (5265, 40862), (10530, 20431)]

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