About the Number

121686840

121686839 ← → 121686841

2進数表記:111010000001100101100111000

漢数字表記:一億二千百六十八万六千八百四十

素因数分解:

2 3 × 3 3 × 5 1 × 11 1 × 10243 1

素因数の和:10274
約数の個数: 128
約数和(自身を含む): 442540800
約数和(自身を除く): 320853960

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 54, 55, 60, 66, 72, 88, 90, 99, 108, 110, 120, 132, 135, 165, 180, 198, 216, 220, 264, 270, 297, 330, 360, 396, 440, 495, 540, 594, 660, 792, 990, 1080, 1188, 1320, 1485, 1980, 2376, 2970, 3960, 5940, 10243, 11880, 20486, 30729, 40972, 51215, 61458, 81944, 92187, 102430, 112673, 122916, 153645, 184374, 204860, 225346, 245832, 276561, 307290, 338019, 368748, 409720, 450692, 460935, 553122, 563365, 614580, 676038, 737496, 901384, 921870, 1014057, 1106244, 1126730, 1229160, 1352076, 1382805, 1690095, 1843740, 2028114, 2212488, 2253460, 2704152, 2765610, 3042171, 3380190, 3687480, 4056228, 4506920, 5070285, 5531220, 6084342, 6760380, 8112456, 10140570, 11062440, 12168684, 13520760, 15210855, 20281140, 24337368, 30421710, 40562280, 60843420, 121686840]

約数ペア:
[(1, 121686840), (2, 60843420), (3, 40562280), (4, 30421710), (5, 24337368), (6, 20281140), (8, 15210855), (9, 13520760), (10, 12168684), (11, 11062440), (12, 10140570), (15, 8112456), (18, 6760380), (20, 6084342), (22, 5531220), (24, 5070285), (27, 4506920), (30, 4056228), (33, 3687480), (36, 3380190), (40, 3042171), (44, 2765610), (45, 2704152), (54, 2253460), (55, 2212488), (60, 2028114), (66, 1843740), (72, 1690095), (88, 1382805), (90, 1352076), (99, 1229160), (108, 1126730), (110, 1106244), (120, 1014057), (132, 921870), (135, 901384), (165, 737496), (180, 676038), (198, 614580), (216, 563365), (220, 553122), (264, 460935), (270, 450692), (297, 409720), (330, 368748), (360, 338019), (396, 307290), (440, 276561), (495, 245832), (540, 225346), (594, 204860), (660, 184374), (792, 153645), (990, 122916), (1080, 112673), (1188, 102430), (1320, 92187), (1485, 81944), (1980, 61458), (2376, 51215), (2970, 40972), (3960, 30729), (5940, 20486), (10243, 11880)]

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