66891720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{79633}}^1$

素因数の和:79654

約数の個数: 64

約数和(自身を含む): 229345920

約数和(自身を除く): 162454200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 79633, 159266, 238899, 318532, 398165, 477798, 557431, 637064, 796330, 955596, 1114862, 1194495, 1592660, 1672293, 1911192, 2229724, 2388990, 2787155, 3185320, 3344586, 4459448, 4777980, 5574310, 6689172, 8361465, 9555960, 11148620, 13378344, 16722930, 22297240, 33445860, 66891720]

約数ペア:

[(1, 66891720), (2, 33445860), (3, 22297240), (4, 16722930), (5, 13378344), (6, 11148620), (7, 9555960), (8, 8361465), (10, 6689172), (12, 5574310), (14, 4777980), (15, 4459448), (20, 3344586), (21, 3185320), (24, 2787155), (28, 2388990), (30, 2229724), (35, 1911192), (40, 1672293), (42, 1592660), (56, 1194495), (60, 1114862), (70, 955596), (84, 796330), (105, 637064), (120, 557431), (140, 477798), (168, 398165), (210, 318532), (280, 238899), (420, 159266), (840, 79633)]