16361240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{823}}^1$

素因数の和:912

約数の個数: 64

約数和(自身を含む): 42716160

約数和(自身を除く): 26354920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 823, 994, 1420, 1646, 1988, 2485, 2840, 3292, 3976, 4115, 4970, 5761, 6584, 8230, 9940, 11522, 16460, 19880, 23044, 28805, 32920, 46088, 57610, 58433, 115220, 116866, 230440, 233732, 292165, 409031, 467464, 584330, 818062, 1168660, 1636124, 2045155, 2337320, 3272248, 4090310, 8180620, 16361240]

約数ペア:

[(1, 16361240), (2, 8180620), (4, 4090310), (5, 3272248), (7, 2337320), (8, 2045155), (10, 1636124), (14, 1168660), (20, 818062), (28, 584330), (35, 467464), (40, 409031), (56, 292165), (70, 233732), (71, 230440), (140, 116866), (142, 115220), (280, 58433), (284, 57610), (355, 46088), (497, 32920), (568, 28805), (710, 23044), (823, 19880), (994, 16460), (1420, 11522), (1646, 9940), (1988, 8230), (2485, 6584), (2840, 5761), (3292, 4970), (3976, 4115)]