About the Number

121210128

121210127 ← → 121210129

2進数表記:111001110011000010100010000

漢数字表記:一億二千百二十一万百二十八

素因数分解:

2 4 × 3 3 × 13 1 × 113 1 × 191 1

素因数の和:334
約数の個数: 160
約数和(自身を含む): 379975680
約数和(自身を除く): 258765552

約数列:
[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 36, 39, 48, 52, 54, 72, 78, 104, 108, 113, 117, 144, 156, 191, 208, 216, 226, 234, 312, 339, 351, 382, 432, 452, 468, 573, 624, 678, 702, 764, 904, 936, 1017, 1146, 1356, 1404, 1469, 1528, 1719, 1808, 1872, 2034, 2292, 2483, 2712, 2808, 2938, 3051, 3056, 3438, 4068, 4407, 4584, 4966, 5157, 5424, 5616, 5876, 6102, 6876, 7449, 8136, 8814, 9168, 9932, 10314, 11752, 12204, 13221, 13752, 14898, 16272, 17628, 19864, 20628, 21583, 22347, 23504, 24408, 26442, 27504, 29796, 35256, 39663, 39728, 41256, 43166, 44694, 48816, 52884, 59592, 64749, 67041, 70512, 79326, 82512, 86332, 89388, 105768, 119184, 129498, 134082, 158652, 172664, 178776, 194247, 211536, 258996, 268164, 280579, 317304, 345328, 357552, 388494, 517992, 536328, 561158, 582741, 634608, 776988, 841737, 1035984, 1072656, 1122316, 1165482, 1553976, 1683474, 2244632, 2330964, 2525211, 3107952, 3366948, 4489264, 4661928, 5050422, 6733896, 7575633, 9323856, 10100844, 13467792, 15151266, 20201688, 30302532, 40403376, 60605064, 121210128]

約数ペア:
[(1, 121210128), (2, 60605064), (3, 40403376), (4, 30302532), (6, 20201688), (8, 15151266), (9, 13467792), (12, 10100844), (13, 9323856), (16, 7575633), (18, 6733896), (24, 5050422), (26, 4661928), (27, 4489264), (36, 3366948), (39, 3107952), (48, 2525211), (52, 2330964), (54, 2244632), (72, 1683474), (78, 1553976), (104, 1165482), (108, 1122316), (113, 1072656), (117, 1035984), (144, 841737), (156, 776988), (191, 634608), (208, 582741), (216, 561158), (226, 536328), (234, 517992), (312, 388494), (339, 357552), (351, 345328), (382, 317304), (432, 280579), (452, 268164), (468, 258996), (573, 211536), (624, 194247), (678, 178776), (702, 172664), (764, 158652), (904, 134082), (936, 129498), (1017, 119184), (1146, 105768), (1356, 89388), (1404, 86332), (1469, 82512), (1528, 79326), (1719, 70512), (1808, 67041), (1872, 64749), (2034, 59592), (2292, 52884), (2483, 48816), (2712, 44694), (2808, 43166), (2938, 41256), (3051, 39728), (3056, 39663), (3438, 35256), (4068, 29796), (4407, 27504), (4584, 26442), (4966, 24408), (5157, 23504), (5424, 22347), (5616, 21583), (5876, 20628), (6102, 19864), (6876, 17628), (7449, 16272), (8136, 14898), (8814, 13752), (9168, 13221), (9932, 12204), (10314, 11752)]

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