About the Number

213256980

213256979 ← → 213256981

2進数表記:1100101101100000101100010100

漢数字表記:二億千三百二十五万六千九百八十

素因数分解:

2 2 × 3 2 × 5 1 × 67 1 × 17683 1

素因数の和:17765
約数の個数: 72
約数和(自身を含む): 656571552
約数和(自身を除く): 443314572

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 67, 90, 134, 180, 201, 268, 335, 402, 603, 670, 804, 1005, 1206, 1340, 2010, 2412, 3015, 4020, 6030, 12060, 17683, 35366, 53049, 70732, 88415, 106098, 159147, 176830, 212196, 265245, 318294, 353660, 530490, 636588, 795735, 1060980, 1184761, 1591470, 2369522, 3182940, 3554283, 4739044, 5923805, 7108566, 10662849, 11847610, 14217132, 17771415, 21325698, 23695220, 35542830, 42651396, 53314245, 71085660, 106628490, 213256980]

約数ペア:
[(1, 213256980), (2, 106628490), (3, 71085660), (4, 53314245), (5, 42651396), (6, 35542830), (9, 23695220), (10, 21325698), (12, 17771415), (15, 14217132), (18, 11847610), (20, 10662849), (30, 7108566), (36, 5923805), (45, 4739044), (60, 3554283), (67, 3182940), (90, 2369522), (134, 1591470), (180, 1184761), (201, 1060980), (268, 795735), (335, 636588), (402, 530490), (603, 353660), (670, 318294), (804, 265245), (1005, 212196), (1206, 176830), (1340, 159147), (2010, 106098), (2412, 88415), (3015, 70732), (4020, 53049), (6030, 35366), (12060, 17683)]

このpageの処理時間: 0.637988805770874 seconds