819117040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{17623}}^1$

素因数の和:17726

約数の個数: 80

約数和(自身を含む): 2202859008

約数和(自身を除く): 1383741968

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 83, 112, 140, 166, 280, 332, 415, 560, 581, 664, 830, 1162, 1328, 1660, 2324, 2905, 3320, 4648, 5810, 6640, 9296, 11620, 17623, 23240, 35246, 46480, 70492, 88115, 123361, 140984, 176230, 246722, 281968, 352460, 493444, 616805, 704920, 986888, 1233610, 1409840, 1462709, 1973776, 2467220, 2925418, 4934440, 5850836, 7313545, 9868880, 10238963, 11701672, 14627090, 20477926, 23403344, 29254180, 40955852, 51194815, 58508360, 81911704, 102389630, 117016720, 163823408, 204779260, 409558520, 819117040]

約数ペア:

[(1, 819117040), (2, 409558520), (4, 204779260), (5, 163823408), (7, 117016720), (8, 102389630), (10, 81911704), (14, 58508360), (16, 51194815), (20, 40955852), (28, 29254180), (35, 23403344), (40, 20477926), (56, 14627090), (70, 11701672), (80, 10238963), (83, 9868880), (112, 7313545), (140, 5850836), (166, 4934440), (280, 2925418), (332, 2467220), (415, 1973776), (560, 1462709), (581, 1409840), (664, 1233610), (830, 986888), (1162, 704920), (1328, 616805), (1660, 493444), (2324, 352460), (2905, 281968), (3320, 246722), (4648, 176230), (5810, 140984), (6640, 123361), (9296, 88115), (11620, 70492), (17623, 46480), (23240, 35246)]