About the Number

13020780

13020779 ← → 13020781

2進数表記:110001101010111001101100

漢数字表記:千三百二万七百八十

素因数分解:

2 2 × 3 1 × 5 1 × 41 1 × 67 1 × 79 1

素因数の和:199
約数の個数: 96
約数和(自身を含む): 38384640
約数和(自身を除く): 25363860

約数列:
[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 67, 79, 82, 123, 134, 158, 164, 201, 205, 237, 246, 268, 316, 335, 395, 402, 410, 474, 492, 615, 670, 790, 804, 820, 948, 1005, 1185, 1230, 1340, 1580, 2010, 2370, 2460, 2747, 3239, 4020, 4740, 5293, 5494, 6478, 8241, 9717, 10586, 10988, 12956, 13735, 15879, 16195, 16482, 19434, 21172, 26465, 27470, 31758, 32390, 32964, 38868, 41205, 48585, 52930, 54940, 63516, 64780, 79395, 82410, 97170, 105860, 158790, 164820, 194340, 217013, 317580, 434026, 651039, 868052, 1085065, 1302078, 2170130, 2604156, 3255195, 4340260, 6510390, 13020780]

約数ペア:
[(1, 13020780), (2, 6510390), (3, 4340260), (4, 3255195), (5, 2604156), (6, 2170130), (10, 1302078), (12, 1085065), (15, 868052), (20, 651039), (30, 434026), (41, 317580), (60, 217013), (67, 194340), (79, 164820), (82, 158790), (123, 105860), (134, 97170), (158, 82410), (164, 79395), (201, 64780), (205, 63516), (237, 54940), (246, 52930), (268, 48585), (316, 41205), (335, 38868), (395, 32964), (402, 32390), (410, 31758), (474, 27470), (492, 26465), (615, 21172), (670, 19434), (790, 16482), (804, 16195), (820, 15879), (948, 13735), (1005, 12956), (1185, 10988), (1230, 10586), (1340, 9717), (1580, 8241), (2010, 6478), (2370, 5494), (2460, 5293), (2747, 4740), (3239, 4020)]

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