About the Number

131203680

131203679 ← → 131203681

2進数表記:111110100100000001001100000

漢数字表記:一億三千百二十万三千六百八十

素因数分解:

2 5 × 3 1 × 5 1 × 61 1 × 4481 1

素因数の和:4560
約数の個数: 96
約数和(自身を含む): 420160608
約数和(自身を除く): 288956928

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 61, 80, 96, 120, 122, 160, 183, 240, 244, 305, 366, 480, 488, 610, 732, 915, 976, 1220, 1464, 1830, 1952, 2440, 2928, 3660, 4481, 4880, 5856, 7320, 8962, 9760, 13443, 14640, 17924, 22405, 26886, 29280, 35848, 44810, 53772, 67215, 71696, 89620, 107544, 134430, 143392, 179240, 215088, 268860, 273341, 358480, 430176, 537720, 546682, 716960, 820023, 1075440, 1093364, 1366705, 1640046, 2150880, 2186728, 2733410, 3280092, 4100115, 4373456, 5466820, 6560184, 8200230, 8746912, 10933640, 13120368, 16400460, 21867280, 26240736, 32800920, 43734560, 65601840, 131203680]

約数ペア:
[(1, 131203680), (2, 65601840), (3, 43734560), (4, 32800920), (5, 26240736), (6, 21867280), (8, 16400460), (10, 13120368), (12, 10933640), (15, 8746912), (16, 8200230), (20, 6560184), (24, 5466820), (30, 4373456), (32, 4100115), (40, 3280092), (48, 2733410), (60, 2186728), (61, 2150880), (80, 1640046), (96, 1366705), (120, 1093364), (122, 1075440), (160, 820023), (183, 716960), (240, 546682), (244, 537720), (305, 430176), (366, 358480), (480, 273341), (488, 268860), (610, 215088), (732, 179240), (915, 143392), (976, 134430), (1220, 107544), (1464, 89620), (1830, 71696), (1952, 67215), (2440, 53772), (2928, 44810), (3660, 35848), (4481, 29280), (4880, 26886), (5856, 22405), (7320, 17924), (8962, 14640), (9760, 13443)]

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