About the Number

121879680

121879679 ← → 121879681

2進数表記:111010000111011110010000000

漢数字表記:一億二千百八十七万九千六百八十

素因数分解:

2 7 × 3 1 × 5 1 × 13 1 × 19 1 × 257 1

素因数の和:311
約数の個数: 256
約数和(自身を含む): 442108800
約数和(自身を除く): 320229120

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 19, 20, 24, 26, 30, 32, 38, 39, 40, 48, 52, 57, 60, 64, 65, 76, 78, 80, 95, 96, 104, 114, 120, 128, 130, 152, 156, 160, 190, 192, 195, 208, 228, 240, 247, 257, 260, 285, 304, 312, 320, 380, 384, 390, 416, 456, 480, 494, 514, 520, 570, 608, 624, 640, 741, 760, 771, 780, 832, 912, 960, 988, 1028, 1040, 1140, 1216, 1235, 1248, 1285, 1482, 1520, 1542, 1560, 1664, 1824, 1920, 1976, 2056, 2080, 2280, 2432, 2470, 2496, 2570, 2964, 3040, 3084, 3120, 3341, 3648, 3705, 3855, 3952, 4112, 4160, 4560, 4883, 4940, 4992, 5140, 5928, 6080, 6168, 6240, 6682, 7296, 7410, 7710, 7904, 8224, 8320, 9120, 9766, 9880, 10023, 10280, 11856, 12160, 12336, 12480, 13364, 14649, 14820, 15420, 15808, 16448, 16705, 18240, 19532, 19760, 20046, 20560, 23712, 24415, 24672, 24960, 26728, 29298, 29640, 30840, 31616, 32896, 33410, 36480, 39064, 39520, 40092, 41120, 47424, 48830, 49344, 50115, 53456, 58596, 59280, 61680, 63479, 66820, 73245, 78128, 79040, 80184, 82240, 94848, 97660, 98688, 100230, 106912, 117192, 118560, 123360, 126958, 133640, 146490, 156256, 158080, 160368, 164480, 190437, 195320, 200460, 213824, 234384, 237120, 246720, 253916, 267280, 292980, 312512, 317395, 320736, 380874, 390640, 400920, 427648, 468768, 474240, 493440, 507832, 534560, 585960, 625024, 634790, 641472, 761748, 781280, 801840, 937536, 952185, 1015664, 1069120, 1171920, 1269580, 1282944, 1523496, 1562560, 1603680, 1875072, 1904370, 2031328, 2138240, 2343840, 2539160, 3046992, 3125120, 3207360, 3808740, 4062656, 4687680, 5078320, 6093984, 6414720, 7617480, 8125312, 9375360, 10156640, 12187968, 15234960, 20313280, 24375936, 30469920, 40626560, 60939840, 121879680]

約数ペア:
[(1, 121879680), (2, 60939840), (3, 40626560), (4, 30469920), (5, 24375936), (6, 20313280), (8, 15234960), (10, 12187968), (12, 10156640), (13, 9375360), (15, 8125312), (16, 7617480), (19, 6414720), (20, 6093984), (24, 5078320), (26, 4687680), (30, 4062656), (32, 3808740), (38, 3207360), (39, 3125120), (40, 3046992), (48, 2539160), (52, 2343840), (57, 2138240), (60, 2031328), (64, 1904370), (65, 1875072), (76, 1603680), (78, 1562560), (80, 1523496), (95, 1282944), (96, 1269580), (104, 1171920), (114, 1069120), (120, 1015664), (128, 952185), (130, 937536), (152, 801840), (156, 781280), (160, 761748), (190, 641472), (192, 634790), (195, 625024), (208, 585960), (228, 534560), (240, 507832), (247, 493440), (257, 474240), (260, 468768), (285, 427648), (304, 400920), (312, 390640), (320, 380874), (380, 320736), (384, 317395), (390, 312512), (416, 292980), (456, 267280), (480, 253916), (494, 246720), (514, 237120), (520, 234384), (570, 213824), (608, 200460), (624, 195320), (640, 190437), (741, 164480), (760, 160368), (771, 158080), (780, 156256), (832, 146490), (912, 133640), (960, 126958), (988, 123360), (1028, 118560), (1040, 117192), (1140, 106912), (1216, 100230), (1235, 98688), (1248, 97660), (1285, 94848), (1482, 82240), (1520, 80184), (1542, 79040), (1560, 78128), (1664, 73245), (1824, 66820), (1920, 63479), (1976, 61680), (2056, 59280), (2080, 58596), (2280, 53456), (2432, 50115), (2470, 49344), (2496, 48830), (2570, 47424), (2964, 41120), (3040, 40092), (3084, 39520), (3120, 39064), (3341, 36480), (3648, 33410), (3705, 32896), (3855, 31616), (3952, 30840), (4112, 29640), (4160, 29298), (4560, 26728), (4883, 24960), (4940, 24672), (4992, 24415), (5140, 23712), (5928, 20560), (6080, 20046), (6168, 19760), (6240, 19532), (6682, 18240), (7296, 16705), (7410, 16448), (7710, 15808), (7904, 15420), (8224, 14820), (8320, 14649), (9120, 13364), (9766, 12480), (9880, 12336), (10023, 12160), (10280, 11856)]

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