72189810

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{947}}^1$

素因数の和:989

約数の個数: 144

約数和(自身を含む): 236029248

約数和(自身を除く): 163839438

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 21, 22, 30, 33, 35, 42, 45, 55, 63, 66, 70, 77, 90, 99, 105, 110, 121, 126, 154, 165, 198, 210, 231, 242, 315, 330, 363, 385, 462, 495, 605, 630, 693, 726, 770, 847, 947, 990, 1089, 1155, 1210, 1386, 1694, 1815, 1894, 2178, 2310, 2541, 2841, 3465, 3630, 4235, 4735, 5082, 5445, 5682, 6629, 6930, 7623, 8470, 8523, 9470, 10417, 10890, 12705, 13258, 14205, 15246, 17046, 19887, 20834, 25410, 28410, 31251, 33145, 38115, 39774, 42615, 52085, 59661, 62502, 66290, 72919, 76230, 85230, 93753, 99435, 104170, 114587, 119322, 145838, 156255, 187506, 198870, 218757, 229174, 298305, 312510, 343761, 364595, 437514, 468765, 572935, 596610, 656271, 687522, 729190, 802109, 937530, 1031283, 1093785, 1145870, 1312542, 1604218, 1718805, 2062566, 2187570, 2406327, 3281355, 3437610, 4010545, 4812654, 5156415, 6562710, 7218981, 8021090, 10312830, 12031635, 14437962, 24063270, 36094905, 72189810]

約数ペア:

[(1, 72189810), (2, 36094905), (3, 24063270), (5, 14437962), (6, 12031635), (7, 10312830), (9, 8021090), (10, 7218981), (11, 6562710), (14, 5156415), (15, 4812654), (18, 4010545), (21, 3437610), (22, 3281355), (30, 2406327), (33, 2187570), (35, 2062566), (42, 1718805), (45, 1604218), (55, 1312542), (63, 1145870), (66, 1093785), (70, 1031283), (77, 937530), (90, 802109), (99, 729190), (105, 687522), (110, 656271), (121, 596610), (126, 572935), (154, 468765), (165, 437514), (198, 364595), (210, 343761), (231, 312510), (242, 298305), (315, 229174), (330, 218757), (363, 198870), (385, 187506), (462, 156255), (495, 145838), (605, 119322), (630, 114587), (693, 104170), (726, 99435), (770, 93753), (847, 85230), (947, 76230), (990, 72919), (1089, 66290), (1155, 62502), (1210, 59661), (1386, 52085), (1694, 42615), (1815, 39774), (1894, 38115), (2178, 33145), (2310, 31251), (2541, 28410), (2841, 25410), (3465, 20834), (3630, 19887), (4235, 17046), (4735, 15246), (5082, 14205), (5445, 13258), (5682, 12705), (6629, 10890), (6930, 10417), (7623, 9470), (8470, 8523)]