645780530

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{283}}^1\times {\mathrm{433}}^1$

素因数の和:771

約数の個数: 64

約数和(自身を含む): 1277918208

約数和(自身を除く): 632137678

約数列:

[1, 2, 5, 10, 17, 31, 34, 62, 85, 155, 170, 283, 310, 433, 527, 566, 866, 1054, 1415, 2165, 2635, 2830, 4330, 4811, 5270, 7361, 8773, 9622, 13423, 14722, 17546, 24055, 26846, 36805, 43865, 48110, 67115, 73610, 87730, 122539, 134230, 149141, 228191, 245078, 298282, 456382, 612695, 745705, 1140955, 1225390, 1491410, 2083163, 2281910, 3798709, 4166326, 7597418, 10415815, 18993545, 20831630, 37987090, 64578053, 129156106, 322890265, 645780530]

約数ペア:

[(1, 645780530), (2, 322890265), (5, 129156106), (10, 64578053), (17, 37987090), (31, 20831630), (34, 18993545), (62, 10415815), (85, 7597418), (155, 4166326), (170, 3798709), (283, 2281910), (310, 2083163), (433, 1491410), (527, 1225390), (566, 1140955), (866, 745705), (1054, 612695), (1415, 456382), (2165, 298282), (2635, 245078), (2830, 228191), (4330, 149141), (4811, 134230), (5270, 122539), (7361, 87730), (8773, 73610), (9622, 67115), (13423, 48110), (14722, 43865), (17546, 36805), (24055, 26846)]