90078870

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1$

素因数の和:286

約数の個数: 128

約数和(自身を含む): 259448832

約数和(自身を除く): 169369962

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 62, 70, 93, 101, 105, 137, 155, 186, 202, 210, 217, 274, 303, 310, 411, 434, 465, 505, 606, 651, 685, 707, 822, 930, 959, 1010, 1085, 1302, 1370, 1414, 1515, 1918, 2055, 2121, 2170, 2877, 3030, 3131, 3255, 3535, 4110, 4242, 4247, 4795, 5754, 6262, 6510, 7070, 8494, 9393, 9590, 10605, 12741, 13837, 14385, 15655, 18786, 21210, 21235, 21917, 25482, 27674, 28770, 29729, 31310, 41511, 42470, 43834, 46965, 59458, 63705, 65751, 69185, 83022, 89187, 93930, 96859, 109585, 127410, 131502, 138370, 148645, 178374, 193718, 207555, 219170, 290577, 297290, 328755, 415110, 428947, 445935, 484295, 581154, 657510, 857894, 891870, 968590, 1286841, 1452885, 2144735, 2573682, 2905770, 3002629, 4289470, 6005258, 6434205, 9007887, 12868410, 15013145, 18015774, 30026290, 45039435, 90078870]

約数ペア:

[(1, 90078870), (2, 45039435), (3, 30026290), (5, 18015774), (6, 15013145), (7, 12868410), (10, 9007887), (14, 6434205), (15, 6005258), (21, 4289470), (30, 3002629), (31, 2905770), (35, 2573682), (42, 2144735), (62, 1452885), (70, 1286841), (93, 968590), (101, 891870), (105, 857894), (137, 657510), (155, 581154), (186, 484295), (202, 445935), (210, 428947), (217, 415110), (274, 328755), (303, 297290), (310, 290577), (411, 219170), (434, 207555), (465, 193718), (505, 178374), (606, 148645), (651, 138370), (685, 131502), (707, 127410), (822, 109585), (930, 96859), (959, 93930), (1010, 89187), (1085, 83022), (1302, 69185), (1370, 65751), (1414, 63705), (1515, 59458), (1918, 46965), (2055, 43834), (2121, 42470), (2170, 41511), (2877, 31310), (3030, 29729), (3131, 28770), (3255, 27674), (3535, 25482), (4110, 21917), (4242, 21235), (4247, 21210), (4795, 18786), (5754, 15655), (6262, 14385), (6510, 13837), (7070, 12741), (8494, 10605), (9393, 9590)]