About the Number

213122880

213122879 ← → 213122881

2進数表記:1100101100111111111101000000

漢数字表記:二億千三百十二万二千八百八十

素因数分解:

2 6 × 3 3 × 5 1 × 17 1 × 1451 1

素因数の和:1494
約数の個数: 224
約数和(自身を含む): 796625280
約数和(自身を除く): 583502400

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 32, 34, 36, 40, 45, 48, 51, 54, 60, 64, 68, 72, 80, 85, 90, 96, 102, 108, 120, 135, 136, 144, 153, 160, 170, 180, 192, 204, 216, 240, 255, 270, 272, 288, 306, 320, 340, 360, 408, 432, 459, 480, 510, 540, 544, 576, 612, 680, 720, 765, 816, 864, 918, 960, 1020, 1080, 1088, 1224, 1360, 1440, 1451, 1530, 1632, 1728, 1836, 2040, 2160, 2295, 2448, 2720, 2880, 2902, 3060, 3264, 3672, 4080, 4320, 4353, 4590, 4896, 5440, 5804, 6120, 7255, 7344, 8160, 8640, 8706, 9180, 9792, 11608, 12240, 13059, 14510, 14688, 16320, 17412, 18360, 21765, 23216, 24480, 24667, 26118, 29020, 29376, 34824, 36720, 39177, 43530, 46432, 48960, 49334, 52236, 58040, 65295, 69648, 73440, 74001, 78354, 87060, 92864, 98668, 104472, 116080, 123335, 130590, 139296, 146880, 148002, 156708, 174120, 195885, 197336, 208944, 222003, 232160, 246670, 261180, 278592, 296004, 313416, 348240, 370005, 391770, 394672, 417888, 444006, 464320, 493340, 522360, 592008, 626832, 666009, 696480, 740010, 783540, 789344, 835776, 888012, 986680, 1044720, 1110015, 1184016, 1253664, 1332018, 1392960, 1480020, 1567080, 1578688, 1776024, 1973360, 2089440, 2220030, 2368032, 2507328, 2664036, 2960040, 3134160, 3330045, 3552048, 3946720, 4178880, 4440060, 4736064, 5328072, 5920080, 6268320, 6660090, 7104096, 7893440, 8880120, 10656144, 11840160, 12536640, 13320180, 14208192, 17760240, 21312288, 23680320, 26640360, 35520480, 42624576, 53280720, 71040960, 106561440, 213122880]

約数ペア:
[(1, 213122880), (2, 106561440), (3, 71040960), (4, 53280720), (5, 42624576), (6, 35520480), (8, 26640360), (9, 23680320), (10, 21312288), (12, 17760240), (15, 14208192), (16, 13320180), (17, 12536640), (18, 11840160), (20, 10656144), (24, 8880120), (27, 7893440), (30, 7104096), (32, 6660090), (34, 6268320), (36, 5920080), (40, 5328072), (45, 4736064), (48, 4440060), (51, 4178880), (54, 3946720), (60, 3552048), (64, 3330045), (68, 3134160), (72, 2960040), (80, 2664036), (85, 2507328), (90, 2368032), (96, 2220030), (102, 2089440), (108, 1973360), (120, 1776024), (135, 1578688), (136, 1567080), (144, 1480020), (153, 1392960), (160, 1332018), (170, 1253664), (180, 1184016), (192, 1110015), (204, 1044720), (216, 986680), (240, 888012), (255, 835776), (270, 789344), (272, 783540), (288, 740010), (306, 696480), (320, 666009), (340, 626832), (360, 592008), (408, 522360), (432, 493340), (459, 464320), (480, 444006), (510, 417888), (540, 394672), (544, 391770), (576, 370005), (612, 348240), (680, 313416), (720, 296004), (765, 278592), (816, 261180), (864, 246670), (918, 232160), (960, 222003), (1020, 208944), (1080, 197336), (1088, 195885), (1224, 174120), (1360, 156708), (1440, 148002), (1451, 146880), (1530, 139296), (1632, 130590), (1728, 123335), (1836, 116080), (2040, 104472), (2160, 98668), (2295, 92864), (2448, 87060), (2720, 78354), (2880, 74001), (2902, 73440), (3060, 69648), (3264, 65295), (3672, 58040), (4080, 52236), (4320, 49334), (4353, 48960), (4590, 46432), (4896, 43530), (5440, 39177), (5804, 36720), (6120, 34824), (7255, 29376), (7344, 29020), (8160, 26118), (8640, 24667), (8706, 24480), (9180, 23216), (9792, 21765), (11608, 18360), (12240, 17412), (13059, 16320), (14510, 14688)]

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