2721018720

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{809827}}^1$

素因数の和:809852

約数の個数: 96

約数和(自身を含む): 9795679488

約数和(自身を除く): 7074660768

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 809827, 1619654, 2429481, 3239308, 4049135, 4858962, 5668789, 6478616, 8098270, 9717924, 11337578, 12147405, 12957232, 16196540, 17006367, 19435848, 22675156, 24294810, 25914464, 28343945, 32393080, 34012734, 38871696, 45350312, 48589620, 56687890, 64786160, 68025468, 77743392, 85031835, 90700624, 97179240, 113375780, 129572320, 136050936, 170063670, 181401248, 194358480, 226751560, 272101872, 340127340, 388716960, 453503120, 544203744, 680254680, 907006240, 1360509360, 2721018720]

約数ペア:

[(1, 2721018720), (2, 1360509360), (3, 907006240), (4, 680254680), (5, 544203744), (6, 453503120), (7, 388716960), (8, 340127340), (10, 272101872), (12, 226751560), (14, 194358480), (15, 181401248), (16, 170063670), (20, 136050936), (21, 129572320), (24, 113375780), (28, 97179240), (30, 90700624), (32, 85031835), (35, 77743392), (40, 68025468), (42, 64786160), (48, 56687890), (56, 48589620), (60, 45350312), (70, 38871696), (80, 34012734), (84, 32393080), (96, 28343945), (105, 25914464), (112, 24294810), (120, 22675156), (140, 19435848), (160, 17006367), (168, 16196540), (210, 12957232), (224, 12147405), (240, 11337578), (280, 9717924), (336, 8098270), (420, 6478616), (480, 5668789), (560, 4858962), (672, 4049135), (840, 3239308), (1120, 2429481), (1680, 1619654), (3360, 809827)]