261229950

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{613}}^1\times {\mathrm{947}}^1$

素因数の和:1578

約数の個数: 72

約数和(自身を含む): 703725048

約数和(自身を除く): 442495098

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 150, 225, 450, 613, 947, 1226, 1839, 1894, 2841, 3065, 3678, 4735, 5517, 5682, 6130, 8523, 9195, 9470, 11034, 14205, 15325, 17046, 18390, 23675, 27585, 28410, 30650, 42615, 45975, 47350, 55170, 71025, 85230, 91950, 137925, 142050, 213075, 275850, 426150, 580511, 1161022, 1741533, 2902555, 3483066, 5224599, 5805110, 8707665, 10449198, 14512775, 17415330, 26122995, 29025550, 43538325, 52245990, 87076650, 130614975, 261229950]

約数ペア:

[(1, 261229950), (2, 130614975), (3, 87076650), (5, 52245990), (6, 43538325), (9, 29025550), (10, 26122995), (15, 17415330), (18, 14512775), (25, 10449198), (30, 8707665), (45, 5805110), (50, 5224599), (75, 3483066), (90, 2902555), (150, 1741533), (225, 1161022), (450, 580511), (613, 426150), (947, 275850), (1226, 213075), (1839, 142050), (1894, 137925), (2841, 91950), (3065, 85230), (3678, 71025), (4735, 55170), (5517, 47350), (5682, 45975), (6130, 42615), (8523, 30650), (9195, 28410), (9470, 27585), (11034, 23675), (14205, 18390), (15325, 17046)]