About the Number

12891480

12891479 ← → 12891481

2進数表記:110001001011010101011000

漢数字表記:千二百八十九万千四百八十

素因数分解:

2 3 × 3 1 × 5 1 × 7 1 × 103 1 × 149 1

素因数の和:273
約数の個数: 128
約数和(自身を含む): 44928000
約数和(自身を除く): 32036520

約数列:
[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 103, 105, 120, 140, 149, 168, 206, 210, 280, 298, 309, 412, 420, 447, 515, 596, 618, 721, 745, 824, 840, 894, 1030, 1043, 1192, 1236, 1442, 1490, 1545, 1788, 2060, 2086, 2163, 2235, 2472, 2884, 2980, 3090, 3129, 3576, 3605, 4120, 4172, 4326, 4470, 5215, 5768, 5960, 6180, 6258, 7210, 8344, 8652, 8940, 10430, 10815, 12360, 12516, 14420, 15347, 15645, 17304, 17880, 20860, 21630, 25032, 28840, 30694, 31290, 41720, 43260, 46041, 61388, 62580, 76735, 86520, 92082, 107429, 122776, 125160, 153470, 184164, 214858, 230205, 306940, 322287, 368328, 429716, 460410, 537145, 613880, 644574, 859432, 920820, 1074290, 1289148, 1611435, 1841640, 2148580, 2578296, 3222870, 4297160, 6445740, 12891480]

約数ペア:
[(1, 12891480), (2, 6445740), (3, 4297160), (4, 3222870), (5, 2578296), (6, 2148580), (7, 1841640), (8, 1611435), (10, 1289148), (12, 1074290), (14, 920820), (15, 859432), (20, 644574), (21, 613880), (24, 537145), (28, 460410), (30, 429716), (35, 368328), (40, 322287), (42, 306940), (56, 230205), (60, 214858), (70, 184164), (84, 153470), (103, 125160), (105, 122776), (120, 107429), (140, 92082), (149, 86520), (168, 76735), (206, 62580), (210, 61388), (280, 46041), (298, 43260), (309, 41720), (412, 31290), (420, 30694), (447, 28840), (515, 25032), (596, 21630), (618, 20860), (721, 17880), (745, 17304), (824, 15645), (840, 15347), (894, 14420), (1030, 12516), (1043, 12360), (1192, 10815), (1236, 10430), (1442, 8940), (1490, 8652), (1545, 8344), (1788, 7210), (2060, 6258), (2086, 6180), (2163, 5960), (2235, 5768), (2472, 5215), (2884, 4470), (2980, 4326), (3090, 4172), (3129, 4120), (3576, 3605)]

このpageの処理時間: 0.007134437561035156 seconds