71721284940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{3557}}^1\times {\mathrm{112019}}^1$

素因数の和:115591

約数の個数: 72

約数和(自身を含む): 217617669360

約数和(自身を除く): 145896384420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 3557, 7114, 10671, 14228, 17785, 21342, 32013, 35570, 42684, 53355, 64026, 71140, 106710, 112019, 128052, 160065, 213420, 224038, 320130, 336057, 448076, 560095, 640260, 672114, 1008171, 1120190, 1344228, 1680285, 2016342, 2240380, 3360570, 4032684, 5040855, 6721140, 10081710, 20163420, 398451583, 796903166, 1195354749, 1593806332, 1992257915, 2390709498, 3586064247, 3984515830, 4781418996, 5976773745, 7172128494, 7969031660, 11953547490, 14344256988, 17930321235, 23907094980, 35860642470, 71721284940]

約数ペア:

[(1, 71721284940), (2, 35860642470), (3, 23907094980), (4, 17930321235), (5, 14344256988), (6, 11953547490), (9, 7969031660), (10, 7172128494), (12, 5976773745), (15, 4781418996), (18, 3984515830), (20, 3586064247), (30, 2390709498), (36, 1992257915), (45, 1593806332), (60, 1195354749), (90, 796903166), (180, 398451583), (3557, 20163420), (7114, 10081710), (10671, 6721140), (14228, 5040855), (17785, 4032684), (21342, 3360570), (32013, 2240380), (35570, 2016342), (42684, 1680285), (53355, 1344228), (64026, 1120190), (71140, 1008171), (106710, 672114), (112019, 640260), (128052, 560095), (160065, 448076), (213420, 336057), (224038, 320130)]