About the Number

217180080

217180079 ← → 217180081

2進数表記:1100111100011110011110110000

漢数字表記:二億千七百十八万八十

素因数分解:

2 4 × 3 2 × 5 1 × 13 1 × 23203 1

素因数の和:23235
約数の個数: 120
約数和(自身を含む): 785501808
約数和(自身を除く): 568321728

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 180, 195, 208, 234, 240, 260, 312, 360, 390, 468, 520, 585, 624, 720, 780, 936, 1040, 1170, 1560, 1872, 2340, 3120, 4680, 9360, 23203, 46406, 69609, 92812, 116015, 139218, 185624, 208827, 232030, 278436, 301639, 348045, 371248, 417654, 464060, 556872, 603278, 696090, 835308, 904917, 928120, 1044135, 1113744, 1206556, 1392180, 1508195, 1670616, 1809834, 1856240, 2088270, 2413112, 2714751, 2784360, 3016390, 3341232, 3619668, 4176540, 4524585, 4826224, 5429502, 5568720, 6032780, 7239336, 8353080, 9049170, 10859004, 12065560, 13573755, 14478672, 16706160, 18098340, 21718008, 24131120, 27147510, 36196680, 43436016, 54295020, 72393360, 108590040, 217180080]

約数ペア:
[(1, 217180080), (2, 108590040), (3, 72393360), (4, 54295020), (5, 43436016), (6, 36196680), (8, 27147510), (9, 24131120), (10, 21718008), (12, 18098340), (13, 16706160), (15, 14478672), (16, 13573755), (18, 12065560), (20, 10859004), (24, 9049170), (26, 8353080), (30, 7239336), (36, 6032780), (39, 5568720), (40, 5429502), (45, 4826224), (48, 4524585), (52, 4176540), (60, 3619668), (65, 3341232), (72, 3016390), (78, 2784360), (80, 2714751), (90, 2413112), (104, 2088270), (117, 1856240), (120, 1809834), (130, 1670616), (144, 1508195), (156, 1392180), (180, 1206556), (195, 1113744), (208, 1044135), (234, 928120), (240, 904917), (260, 835308), (312, 696090), (360, 603278), (390, 556872), (468, 464060), (520, 417654), (585, 371248), (624, 348045), (720, 301639), (780, 278436), (936, 232030), (1040, 208827), (1170, 185624), (1560, 139218), (1872, 116015), (2340, 92812), (3120, 69609), (4680, 46406), (9360, 23203)]

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