181447980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{61717}}^1$

素因数の和:61743

約数の個数: 72

約数和(自身を含む): 591011568

約数和(自身を除く): 409563588

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 61717, 123434, 185151, 246868, 308585, 370302, 432019, 617170, 740604, 864038, 925755, 1234340, 1296057, 1728076, 1851510, 2160095, 2592114, 3024133, 3703020, 4320190, 5184228, 6048266, 6480285, 8640380, 9072399, 12096532, 12960570, 15120665, 18144798, 25921140, 30241330, 36289596, 45361995, 60482660, 90723990, 181447980]

約数ペア:

[(1, 181447980), (2, 90723990), (3, 60482660), (4, 45361995), (5, 36289596), (6, 30241330), (7, 25921140), (10, 18144798), (12, 15120665), (14, 12960570), (15, 12096532), (20, 9072399), (21, 8640380), (28, 6480285), (30, 6048266), (35, 5184228), (42, 4320190), (49, 3703020), (60, 3024133), (70, 2592114), (84, 2160095), (98, 1851510), (105, 1728076), (140, 1296057), (147, 1234340), (196, 925755), (210, 864038), (245, 740604), (294, 617170), (420, 432019), (490, 370302), (588, 308585), (735, 246868), (980, 185151), (1470, 123434), (2940, 61717)]