About the Number
215280
2進数表記:110100100011110000
漢数字表記:二十一万五千二百八十
素因数分解:
素因数の和:55
約数の個数: 120
約数和(自身を含む): 812448
約数和(自身を除く): 597168
約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 23, 24, 26, 30, 36, 39, 40, 45, 46, 48, 52, 60, 65, 69, 72, 78, 80, 90, 92, 104, 115, 117, 120, 130, 138, 144, 156, 180, 184, 195, 207, 208, 230, 234, 240, 260, 276, 299, 312, 345, 360, 368, 390, 414, 460, 468, 520, 552, 585, 598, 624, 690, 720, 780, 828, 897, 920, 936, 1035, 1040, 1104, 1170, 1196, 1380, 1495, 1560, 1656, 1794, 1840, 1872, 2070, 2340, 2392, 2691, 2760, 2990, 3120, 3312, 3588, 4140, 4485, 4680, 4784, 5382, 5520, 5980, 7176, 8280, 8970, 9360, 10764, 11960, 13455, 14352, 16560, 17940, 21528, 23920, 26910, 35880, 43056, 53820, 71760, 107640, 215280]
約数ペア:
[(1, 215280), (2, 107640), (3, 71760), (4, 53820), (5, 43056), (6, 35880), (8, 26910), (9, 23920), (10, 21528), (12, 17940), (13, 16560), (15, 14352), (16, 13455), (18, 11960), (20, 10764), (23, 9360), (24, 8970), (26, 8280), (30, 7176), (36, 5980), (39, 5520), (40, 5382), (45, 4784), (46, 4680), (48, 4485), (52, 4140), (60, 3588), (65, 3312), (69, 3120), (72, 2990), (78, 2760), (80, 2691), (90, 2392), (92, 2340), (104, 2070), (115, 1872), (117, 1840), (120, 1794), (130, 1656), (138, 1560), (144, 1495), (156, 1380), (180, 1196), (184, 1170), (195, 1104), (207, 1040), (208, 1035), (230, 936), (234, 920), (240, 897), (260, 828), (276, 780), (299, 720), (312, 690), (345, 624), (360, 598), (368, 585), (390, 552), (414, 520), (460, 468)]このpageの処理時間: 0.004923820495605469 seconds