128912490

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{204623}}^1$

素因数の和:204643

約数の個数: 48

約数和(自身を含む): 383056128

約数和(自身を除く): 254143638

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 204623, 409246, 613869, 1023115, 1227738, 1432361, 1841607, 2046230, 2864722, 3069345, 3683214, 4297083, 6138690, 7161805, 8594166, 9208035, 12891249, 14323610, 18416070, 21485415, 25782498, 42970830, 64456245, 128912490]

約数ペア:

[(1, 128912490), (2, 64456245), (3, 42970830), (5, 25782498), (6, 21485415), (7, 18416070), (9, 14323610), (10, 12891249), (14, 9208035), (15, 8594166), (18, 7161805), (21, 6138690), (30, 4297083), (35, 3683214), (42, 3069345), (45, 2864722), (63, 2046230), (70, 1841607), (90, 1432361), (105, 1227738), (126, 1023115), (210, 613869), (315, 409246), (630, 204623)]