About the Number

129723480

129723479 ← → 129723481

2進数表記:111101110110110110001011000

漢数字表記:一億二千九百七十二万三千四百八十

素因数分解:

2 3 × 3 2 × 5 1 × 37 1 × 9739 1

素因数の和:9793
約数の個数: 96
約数和(自身を含む): 433040400
約数和(自身を除く): 303316920

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 37, 40, 45, 60, 72, 74, 90, 111, 120, 148, 180, 185, 222, 296, 333, 360, 370, 444, 555, 666, 740, 888, 1110, 1332, 1480, 1665, 2220, 2664, 3330, 4440, 6660, 9739, 13320, 19478, 29217, 38956, 48695, 58434, 77912, 87651, 97390, 116868, 146085, 175302, 194780, 233736, 292170, 350604, 360343, 389560, 438255, 584340, 701208, 720686, 876510, 1081029, 1168680, 1441372, 1753020, 1801715, 2162058, 2882744, 3243087, 3506040, 3603430, 4324116, 5405145, 6486174, 7206860, 8648232, 10810290, 12972348, 14413720, 16215435, 21620580, 25944696, 32430870, 43241160, 64861740, 129723480]

約数ペア:
[(1, 129723480), (2, 64861740), (3, 43241160), (4, 32430870), (5, 25944696), (6, 21620580), (8, 16215435), (9, 14413720), (10, 12972348), (12, 10810290), (15, 8648232), (18, 7206860), (20, 6486174), (24, 5405145), (30, 4324116), (36, 3603430), (37, 3506040), (40, 3243087), (45, 2882744), (60, 2162058), (72, 1801715), (74, 1753020), (90, 1441372), (111, 1168680), (120, 1081029), (148, 876510), (180, 720686), (185, 701208), (222, 584340), (296, 438255), (333, 389560), (360, 360343), (370, 350604), (444, 292170), (555, 233736), (666, 194780), (740, 175302), (888, 146085), (1110, 116868), (1332, 97390), (1480, 87651), (1665, 77912), (2220, 58434), (2664, 48695), (3330, 38956), (4440, 29217), (6660, 19478), (9739, 13320)]

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