About the Number

12307440

12307439 ← → 12307441

2進数表記:101110111100101111110000

漢数字表記:千二百三十万七千四百四十

素因数分解:

2 4 × 3 1 × 5 1 × 19 1 × 2699 1

素因数の和:2734
約数の個数: 80
約数和(自身を含む): 40176000
約数和(自身を除く): 27868560

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 380, 456, 570, 760, 912, 1140, 1520, 2280, 2699, 4560, 5398, 8097, 10796, 13495, 16194, 21592, 26990, 32388, 40485, 43184, 51281, 53980, 64776, 80970, 102562, 107960, 129552, 153843, 161940, 205124, 215920, 256405, 307686, 323880, 410248, 512810, 615372, 647760, 769215, 820496, 1025620, 1230744, 1538430, 2051240, 2461488, 3076860, 4102480, 6153720, 12307440]

約数ペア:
[(1, 12307440), (2, 6153720), (3, 4102480), (4, 3076860), (5, 2461488), (6, 2051240), (8, 1538430), (10, 1230744), (12, 1025620), (15, 820496), (16, 769215), (19, 647760), (20, 615372), (24, 512810), (30, 410248), (38, 323880), (40, 307686), (48, 256405), (57, 215920), (60, 205124), (76, 161940), (80, 153843), (95, 129552), (114, 107960), (120, 102562), (152, 80970), (190, 64776), (228, 53980), (240, 51281), (285, 43184), (304, 40485), (380, 32388), (456, 26990), (570, 21592), (760, 16194), (912, 13495), (1140, 10796), (1520, 8097), (2280, 5398), (2699, 4560)]

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