81320076

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1949}}^1$

素因数の和:2039

約数の個数: 72

約数和(自身を含む): 220038000

約数和(自身を除く): 138717924

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 61, 76, 114, 122, 171, 183, 228, 244, 342, 366, 549, 684, 732, 1098, 1159, 1949, 2196, 2318, 3477, 3898, 4636, 5847, 6954, 7796, 10431, 11694, 13908, 17541, 20862, 23388, 35082, 37031, 41724, 70164, 74062, 111093, 118889, 148124, 222186, 237778, 333279, 356667, 444372, 475556, 666558, 713334, 1070001, 1333116, 1426668, 2140002, 2258891, 4280004, 4517782, 6776673, 9035564, 13553346, 20330019, 27106692, 40660038, 81320076]

約数ペア:

[(1, 81320076), (2, 40660038), (3, 27106692), (4, 20330019), (6, 13553346), (9, 9035564), (12, 6776673), (18, 4517782), (19, 4280004), (36, 2258891), (38, 2140002), (57, 1426668), (61, 1333116), (76, 1070001), (114, 713334), (122, 666558), (171, 475556), (183, 444372), (228, 356667), (244, 333279), (342, 237778), (366, 222186), (549, 148124), (684, 118889), (732, 111093), (1098, 74062), (1159, 70164), (1949, 41724), (2196, 37031), (2318, 35082), (3477, 23388), (3898, 20862), (4636, 17541), (5847, 13908), (6954, 11694), (7796, 10431)]