About the Number

12380280

12380279 ← → 12380281

2進数表記:101111001110100001111000

漢数字表記:千二百三十八万二百八十

素因数分解:

2 3 × 3 1 × 5 1 × 11 1 × 83 1 × 113 1

素因数の和:221
約数の個数: 128
約数和(自身を含む): 41368320
約数和(自身を除く): 28988040

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 83, 88, 110, 113, 120, 132, 165, 166, 220, 226, 249, 264, 330, 332, 339, 415, 440, 452, 498, 565, 660, 664, 678, 830, 904, 913, 996, 1130, 1243, 1245, 1320, 1356, 1660, 1695, 1826, 1992, 2260, 2486, 2490, 2712, 2739, 3320, 3390, 3652, 3729, 4520, 4565, 4972, 4980, 5478, 6215, 6780, 7304, 7458, 9130, 9379, 9944, 9960, 10956, 12430, 13560, 13695, 14916, 18260, 18645, 18758, 21912, 24860, 27390, 28137, 29832, 36520, 37290, 37516, 46895, 49720, 54780, 56274, 74580, 75032, 93790, 103169, 109560, 112548, 140685, 149160, 187580, 206338, 225096, 281370, 309507, 375160, 412676, 515845, 562740, 619014, 825352, 1031690, 1125480, 1238028, 1547535, 2063380, 2476056, 3095070, 4126760, 6190140, 12380280]

約数ペア:
[(1, 12380280), (2, 6190140), (3, 4126760), (4, 3095070), (5, 2476056), (6, 2063380), (8, 1547535), (10, 1238028), (11, 1125480), (12, 1031690), (15, 825352), (20, 619014), (22, 562740), (24, 515845), (30, 412676), (33, 375160), (40, 309507), (44, 281370), (55, 225096), (60, 206338), (66, 187580), (83, 149160), (88, 140685), (110, 112548), (113, 109560), (120, 103169), (132, 93790), (165, 75032), (166, 74580), (220, 56274), (226, 54780), (249, 49720), (264, 46895), (330, 37516), (332, 37290), (339, 36520), (415, 29832), (440, 28137), (452, 27390), (498, 24860), (565, 21912), (660, 18758), (664, 18645), (678, 18260), (830, 14916), (904, 13695), (913, 13560), (996, 12430), (1130, 10956), (1243, 9960), (1245, 9944), (1320, 9379), (1356, 9130), (1660, 7458), (1695, 7304), (1826, 6780), (1992, 6215), (2260, 5478), (2486, 4980), (2490, 4972), (2712, 4565), (2739, 4520), (3320, 3729), (3390, 3652)]

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