About the Number

201282720

201282719 ← → 201282721

2進数表記:1011111111110101010010100000

漢数字表記:二億百二十八万二千七百二十

素因数分解:

2 5 × 3 1 × 5 1 × 17 2 × 1451 1

素因数の和:1503
約数の個数: 144
約数和(自身を含む): 673995168
約数和(自身を除く): 472712448

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 68, 80, 85, 96, 102, 120, 136, 160, 170, 204, 240, 255, 272, 289, 340, 408, 480, 510, 544, 578, 680, 816, 867, 1020, 1156, 1360, 1445, 1451, 1632, 1734, 2040, 2312, 2720, 2890, 2902, 3468, 4080, 4335, 4353, 4624, 5780, 5804, 6936, 7255, 8160, 8670, 8706, 9248, 11560, 11608, 13872, 14510, 17340, 17412, 21765, 23120, 23216, 24667, 27744, 29020, 34680, 34824, 43530, 46240, 46432, 49334, 58040, 69360, 69648, 74001, 87060, 98668, 116080, 123335, 138720, 139296, 148002, 174120, 197336, 232160, 246670, 296004, 348240, 370005, 394672, 419339, 493340, 592008, 696480, 740010, 789344, 838678, 986680, 1184016, 1258017, 1480020, 1677356, 1973360, 2096695, 2368032, 2516034, 2960040, 3354712, 3946720, 4193390, 5032068, 5920080, 6290085, 6709424, 8386780, 10064136, 11840160, 12580170, 13418848, 16773560, 20128272, 25160340, 33547120, 40256544, 50320680, 67094240, 100641360, 201282720]

約数ペア:
[(1, 201282720), (2, 100641360), (3, 67094240), (4, 50320680), (5, 40256544), (6, 33547120), (8, 25160340), (10, 20128272), (12, 16773560), (15, 13418848), (16, 12580170), (17, 11840160), (20, 10064136), (24, 8386780), (30, 6709424), (32, 6290085), (34, 5920080), (40, 5032068), (48, 4193390), (51, 3946720), (60, 3354712), (68, 2960040), (80, 2516034), (85, 2368032), (96, 2096695), (102, 1973360), (120, 1677356), (136, 1480020), (160, 1258017), (170, 1184016), (204, 986680), (240, 838678), (255, 789344), (272, 740010), (289, 696480), (340, 592008), (408, 493340), (480, 419339), (510, 394672), (544, 370005), (578, 348240), (680, 296004), (816, 246670), (867, 232160), (1020, 197336), (1156, 174120), (1360, 148002), (1445, 139296), (1451, 138720), (1632, 123335), (1734, 116080), (2040, 98668), (2312, 87060), (2720, 74001), (2890, 69648), (2902, 69360), (3468, 58040), (4080, 49334), (4335, 46432), (4353, 46240), (4624, 43530), (5780, 34824), (5804, 34680), (6936, 29020), (7255, 27744), (8160, 24667), (8670, 23216), (8706, 23120), (9248, 21765), (11560, 17412), (11608, 17340), (13872, 14510)]

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