About the Number

1621312480

1621312479 ← → 1621312481

2進数表記:1100000101000110100001111100000

漢数字表記:十六億二千百三十一万二千四百八十

素因数分解:

2 5 × 5 1 × 73 1 × 127 1 × 1093 1

素因数の和:1308
約数の個数: 96
約数和(自身を含む): 3916975104
約数和(自身を除く): 2295662624

約数列:
[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 73, 80, 127, 146, 160, 254, 292, 365, 508, 584, 635, 730, 1016, 1093, 1168, 1270, 1460, 2032, 2186, 2336, 2540, 2920, 4064, 4372, 5080, 5465, 5840, 8744, 9271, 10160, 10930, 11680, 17488, 18542, 20320, 21860, 34976, 37084, 43720, 46355, 74168, 79789, 87440, 92710, 138811, 148336, 159578, 174880, 185420, 277622, 296672, 319156, 370840, 398945, 555244, 638312, 694055, 741680, 797890, 1110488, 1276624, 1388110, 1483360, 1595780, 2220976, 2553248, 2776220, 3191560, 4441952, 5552440, 6383120, 10133203, 11104880, 12766240, 20266406, 22209760, 40532812, 50666015, 81065624, 101332030, 162131248, 202664060, 324262496, 405328120, 810656240, 1621312480]

約数ペア:
[(1, 1621312480), (2, 810656240), (4, 405328120), (5, 324262496), (8, 202664060), (10, 162131248), (16, 101332030), (20, 81065624), (32, 50666015), (40, 40532812), (73, 22209760), (80, 20266406), (127, 12766240), (146, 11104880), (160, 10133203), (254, 6383120), (292, 5552440), (365, 4441952), (508, 3191560), (584, 2776220), (635, 2553248), (730, 2220976), (1016, 1595780), (1093, 1483360), (1168, 1388110), (1270, 1276624), (1460, 1110488), (2032, 797890), (2186, 741680), (2336, 694055), (2540, 638312), (2920, 555244), (4064, 398945), (4372, 370840), (5080, 319156), (5465, 296672), (5840, 277622), (8744, 185420), (9271, 174880), (10160, 159578), (10930, 148336), (11680, 138811), (17488, 92710), (18542, 87440), (20320, 79789), (21860, 74168), (34976, 46355), (37084, 43720)]

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