44720720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{571}}^1$

素因数の和:684

約数の個数: 80

約数和(自身を含む): 114903360

約数和(自身を除く): 70182640

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 89, 110, 176, 178, 220, 356, 440, 445, 571, 712, 880, 890, 979, 1142, 1424, 1780, 1958, 2284, 2855, 3560, 3916, 4568, 4895, 5710, 6281, 7120, 7832, 9136, 9790, 11420, 12562, 15664, 19580, 22840, 25124, 31405, 39160, 45680, 50248, 50819, 62810, 78320, 100496, 101638, 125620, 203276, 251240, 254095, 406552, 502480, 508190, 559009, 813104, 1016380, 1118018, 2032760, 2236036, 2795045, 4065520, 4472072, 5590090, 8944144, 11180180, 22360360, 44720720]

約数ペア:

[(1, 44720720), (2, 22360360), (4, 11180180), (5, 8944144), (8, 5590090), (10, 4472072), (11, 4065520), (16, 2795045), (20, 2236036), (22, 2032760), (40, 1118018), (44, 1016380), (55, 813104), (80, 559009), (88, 508190), (89, 502480), (110, 406552), (176, 254095), (178, 251240), (220, 203276), (356, 125620), (440, 101638), (445, 100496), (571, 78320), (712, 62810), (880, 50819), (890, 50248), (979, 45680), (1142, 39160), (1424, 31405), (1780, 25124), (1958, 22840), (2284, 19580), (2855, 15664), (3560, 12562), (3916, 11420), (4568, 9790), (4895, 9136), (5710, 7832), (6281, 7120)]