About the Number

821305980

821305979 ← → 821305981

2進数表記:110000111101000010001001111100

漢数字表記:八億二千百三十万五千九百八十

素因数分解:

2 2 × 3 8 × 5 1 × 11 1 × 569 1

素因数の和:613
約数の個数: 216
約数和(自身を含む): 2827122480
約数和(自身を除く): 2005816500

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 81, 90, 99, 108, 110, 132, 135, 162, 165, 180, 198, 220, 243, 270, 297, 324, 330, 396, 405, 486, 495, 540, 569, 594, 660, 729, 810, 891, 972, 990, 1138, 1188, 1215, 1458, 1485, 1620, 1707, 1782, 1980, 2187, 2276, 2430, 2673, 2845, 2916, 2970, 3414, 3564, 3645, 4374, 4455, 4860, 5121, 5346, 5690, 5940, 6259, 6561, 6828, 7290, 8019, 8535, 8748, 8910, 10242, 10692, 10935, 11380, 12518, 13122, 13365, 14580, 15363, 16038, 17070, 17820, 18777, 20484, 21870, 24057, 25036, 25605, 26244, 26730, 30726, 31295, 32076, 32805, 34140, 37554, 40095, 43740, 46089, 48114, 51210, 53460, 56331, 61452, 62590, 65610, 72171, 75108, 76815, 80190, 92178, 93885, 96228, 102420, 112662, 120285, 125180, 131220, 138267, 144342, 153630, 160380, 168993, 184356, 187770, 225324, 230445, 240570, 276534, 281655, 288684, 307260, 337986, 360855, 375540, 414801, 460890, 481140, 506979, 553068, 563310, 675972, 691335, 721710, 829602, 844965, 921780, 1013958, 1126620, 1244403, 1382670, 1443420, 1520937, 1659204, 1689930, 2027916, 2074005, 2488806, 2534895, 2765340, 3041874, 3379860, 3733209, 4148010, 4562811, 4977612, 5069790, 6083748, 6222015, 7466418, 7604685, 8296020, 9125622, 10139580, 12444030, 13688433, 14932836, 15209370, 18251244, 18666045, 22814055, 24888060, 27376866, 30418740, 37332090, 41065299, 45628110, 54753732, 68442165, 74664180, 82130598, 91256220, 136884330, 164261196, 205326495, 273768660, 410652990, 821305980]

約数ペア:
[(1, 821305980), (2, 410652990), (3, 273768660), (4, 205326495), (5, 164261196), (6, 136884330), (9, 91256220), (10, 82130598), (11, 74664180), (12, 68442165), (15, 54753732), (18, 45628110), (20, 41065299), (22, 37332090), (27, 30418740), (30, 27376866), (33, 24888060), (36, 22814055), (44, 18666045), (45, 18251244), (54, 15209370), (55, 14932836), (60, 13688433), (66, 12444030), (81, 10139580), (90, 9125622), (99, 8296020), (108, 7604685), (110, 7466418), (132, 6222015), (135, 6083748), (162, 5069790), (165, 4977612), (180, 4562811), (198, 4148010), (220, 3733209), (243, 3379860), (270, 3041874), (297, 2765340), (324, 2534895), (330, 2488806), (396, 2074005), (405, 2027916), (486, 1689930), (495, 1659204), (540, 1520937), (569, 1443420), (594, 1382670), (660, 1244403), (729, 1126620), (810, 1013958), (891, 921780), (972, 844965), (990, 829602), (1138, 721710), (1188, 691335), (1215, 675972), (1458, 563310), (1485, 553068), (1620, 506979), (1707, 481140), (1782, 460890), (1980, 414801), (2187, 375540), (2276, 360855), (2430, 337986), (2673, 307260), (2845, 288684), (2916, 281655), (2970, 276534), (3414, 240570), (3564, 230445), (3645, 225324), (4374, 187770), (4455, 184356), (4860, 168993), (5121, 160380), (5346, 153630), (5690, 144342), (5940, 138267), (6259, 131220), (6561, 125180), (6828, 120285), (7290, 112662), (8019, 102420), (8535, 96228), (8748, 93885), (8910, 92178), (10242, 80190), (10692, 76815), (10935, 75108), (11380, 72171), (12518, 65610), (13122, 62590), (13365, 61452), (14580, 56331), (15363, 53460), (16038, 51210), (17070, 48114), (17820, 46089), (18777, 43740), (20484, 40095), (21870, 37554), (24057, 34140), (25036, 32805), (25605, 32076), (26244, 31295), (26730, 30726)]

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