72470440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{4243}}^1$

素因数の和:4322

約数の個数: 64

約数和(自身を含む): 189452160

約数和(自身を除く): 116981720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 122, 140, 244, 280, 305, 427, 488, 610, 854, 1220, 1708, 2135, 2440, 3416, 4243, 4270, 8486, 8540, 16972, 17080, 21215, 29701, 33944, 42430, 59402, 84860, 118804, 148505, 169720, 237608, 258823, 297010, 517646, 594020, 1035292, 1188040, 1294115, 1811761, 2070584, 2588230, 3623522, 5176460, 7247044, 9058805, 10352920, 14494088, 18117610, 36235220, 72470440]

約数ペア:

[(1, 72470440), (2, 36235220), (4, 18117610), (5, 14494088), (7, 10352920), (8, 9058805), (10, 7247044), (14, 5176460), (20, 3623522), (28, 2588230), (35, 2070584), (40, 1811761), (56, 1294115), (61, 1188040), (70, 1035292), (122, 594020), (140, 517646), (244, 297010), (280, 258823), (305, 237608), (427, 169720), (488, 148505), (610, 118804), (854, 84860), (1220, 59402), (1708, 42430), (2135, 33944), (2440, 29701), (3416, 21215), (4243, 17080), (4270, 16972), (8486, 8540)]