128295440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17623}}^1$

素因数の和:17656

約数の個数: 80

約数和(自身を含む): 367143168

約数和(自身を除く): 238847728

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 17623, 35246, 70492, 88115, 123361, 140984, 176230, 229099, 246722, 281968, 352460, 458198, 493444, 616805, 704920, 916396, 986888, 1145495, 1233610, 1409840, 1603693, 1832792, 1973776, 2290990, 2467220, 3207386, 3665584, 4581980, 4934440, 6414772, 8018465, 9163960, 9868880, 12829544, 16036930, 18327920, 25659088, 32073860, 64147720, 128295440]

約数ペア:

[(1, 128295440), (2, 64147720), (4, 32073860), (5, 25659088), (7, 18327920), (8, 16036930), (10, 12829544), (13, 9868880), (14, 9163960), (16, 8018465), (20, 6414772), (26, 4934440), (28, 4581980), (35, 3665584), (40, 3207386), (52, 2467220), (56, 2290990), (65, 1973776), (70, 1832792), (80, 1603693), (91, 1409840), (104, 1233610), (112, 1145495), (130, 986888), (140, 916396), (182, 704920), (208, 616805), (260, 493444), (280, 458198), (364, 352460), (455, 281968), (520, 246722), (560, 229099), (728, 176230), (910, 140984), (1040, 123361), (1456, 88115), (1820, 70492), (3640, 35246), (7280, 17623)]