7972720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{619}}^1$

素因数の和:662

約数の個数: 80

約数和(自身を含む): 22141440

約数和(自身を除く): 14168720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 619, 644, 805, 920, 1238, 1288, 1610, 1840, 2476, 2576, 3095, 3220, 4333, 4952, 6190, 6440, 8666, 9904, 12380, 12880, 14237, 17332, 21665, 24760, 28474, 34664, 43330, 49520, 56948, 69328, 71185, 86660, 99659, 113896, 142370, 173320, 199318, 227792, 284740, 346640, 398636, 498295, 569480, 797272, 996590, 1138960, 1594544, 1993180, 3986360, 7972720]

約数ペア:

[(1, 7972720), (2, 3986360), (4, 1993180), (5, 1594544), (7, 1138960), (8, 996590), (10, 797272), (14, 569480), (16, 498295), (20, 398636), (23, 346640), (28, 284740), (35, 227792), (40, 199318), (46, 173320), (56, 142370), (70, 113896), (80, 99659), (92, 86660), (112, 71185), (115, 69328), (140, 56948), (161, 49520), (184, 43330), (230, 34664), (280, 28474), (322, 24760), (368, 21665), (460, 17332), (560, 14237), (619, 12880), (644, 12380), (805, 9904), (920, 8666), (1238, 6440), (1288, 6190), (1610, 4952), (1840, 4333), (2476, 3220), (2576, 3095)]