About the Number

121406640

121406639 ← → 121406641

2進数表記:111001111001000010010110000

漢数字表記:一億二千百四十万六千六百四十

素因数分解:

2 4 × 3 1 × 5 1 × 47 2 × 229 1

素因数の和:339
約数の個数: 120
約数和(自身を含む): 386217840
約数和(自身を除く): 264811200

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 47, 48, 60, 80, 94, 120, 141, 188, 229, 235, 240, 282, 376, 458, 470, 564, 687, 705, 752, 916, 940, 1128, 1145, 1374, 1410, 1832, 1880, 2209, 2256, 2290, 2748, 2820, 3435, 3664, 3760, 4418, 4580, 5496, 5640, 6627, 6870, 8836, 9160, 10763, 10992, 11045, 11280, 13254, 13740, 17672, 18320, 21526, 22090, 26508, 27480, 32289, 33135, 35344, 43052, 44180, 53016, 53815, 54960, 64578, 66270, 86104, 88360, 106032, 107630, 129156, 132540, 161445, 172208, 176720, 215260, 258312, 265080, 322890, 430520, 505861, 516624, 530160, 645780, 861040, 1011722, 1291560, 1517583, 2023444, 2529305, 2583120, 3035166, 4046888, 5058610, 6070332, 7587915, 8093776, 10117220, 12140664, 15175830, 20234440, 24281328, 30351660, 40468880, 60703320, 121406640]

約数ペア:
[(1, 121406640), (2, 60703320), (3, 40468880), (4, 30351660), (5, 24281328), (6, 20234440), (8, 15175830), (10, 12140664), (12, 10117220), (15, 8093776), (16, 7587915), (20, 6070332), (24, 5058610), (30, 4046888), (40, 3035166), (47, 2583120), (48, 2529305), (60, 2023444), (80, 1517583), (94, 1291560), (120, 1011722), (141, 861040), (188, 645780), (229, 530160), (235, 516624), (240, 505861), (282, 430520), (376, 322890), (458, 265080), (470, 258312), (564, 215260), (687, 176720), (705, 172208), (752, 161445), (916, 132540), (940, 129156), (1128, 107630), (1145, 106032), (1374, 88360), (1410, 86104), (1832, 66270), (1880, 64578), (2209, 54960), (2256, 53815), (2290, 53016), (2748, 44180), (2820, 43052), (3435, 35344), (3664, 33135), (3760, 32289), (4418, 27480), (4580, 26508), (5496, 22090), (5640, 21526), (6627, 18320), (6870, 17672), (8836, 13740), (9160, 13254), (10763, 11280), (10992, 11045)]

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