About the Number

123380280

123380279 ← → 123380281

2進数表記:111010110101010001000111000

漢数字表記:一億二千三百三十八万二百八十

素因数分解:

2 3 × 3 3 × 5 1 × 23 1 × 4967 1

素因数の和:5010
約数の個数: 128
約数和(自身を含む): 429235200
約数和(自身を除く): 305854920

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 27, 30, 36, 40, 45, 46, 54, 60, 69, 72, 90, 92, 108, 115, 120, 135, 138, 180, 184, 207, 216, 230, 270, 276, 345, 360, 414, 460, 540, 552, 621, 690, 828, 920, 1035, 1080, 1242, 1380, 1656, 2070, 2484, 2760, 3105, 4140, 4967, 4968, 6210, 8280, 9934, 12420, 14901, 19868, 24835, 24840, 29802, 39736, 44703, 49670, 59604, 74505, 89406, 99340, 114241, 119208, 134109, 149010, 178812, 198680, 223515, 228482, 268218, 298020, 342723, 357624, 447030, 456964, 536436, 571205, 596040, 670545, 685446, 894060, 913928, 1028169, 1072872, 1142410, 1341090, 1370892, 1713615, 1788120, 2056338, 2284820, 2682180, 2741784, 3084507, 3427230, 4112676, 4569640, 5140845, 5364360, 6169014, 6854460, 8225352, 10281690, 12338028, 13708920, 15422535, 20563380, 24676056, 30845070, 41126760, 61690140, 123380280]

約数ペア:
[(1, 123380280), (2, 61690140), (3, 41126760), (4, 30845070), (5, 24676056), (6, 20563380), (8, 15422535), (9, 13708920), (10, 12338028), (12, 10281690), (15, 8225352), (18, 6854460), (20, 6169014), (23, 5364360), (24, 5140845), (27, 4569640), (30, 4112676), (36, 3427230), (40, 3084507), (45, 2741784), (46, 2682180), (54, 2284820), (60, 2056338), (69, 1788120), (72, 1713615), (90, 1370892), (92, 1341090), (108, 1142410), (115, 1072872), (120, 1028169), (135, 913928), (138, 894060), (180, 685446), (184, 670545), (207, 596040), (216, 571205), (230, 536436), (270, 456964), (276, 447030), (345, 357624), (360, 342723), (414, 298020), (460, 268218), (540, 228482), (552, 223515), (621, 198680), (690, 178812), (828, 149010), (920, 134109), (1035, 119208), (1080, 114241), (1242, 99340), (1380, 89406), (1656, 74505), (2070, 59604), (2484, 49670), (2760, 44703), (3105, 39736), (4140, 29802), (4967, 24840), (4968, 24835), (6210, 19868), (8280, 14901), (9934, 12420)]

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