71897280

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{823}}^1$

素因数の和:863

約数の個数: 224

約数和(自身を含む): 281293824

約数和(自身を除く): 209396544

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 32, 35, 39, 40, 42, 48, 52, 56, 60, 64, 65, 70, 78, 80, 84, 91, 96, 104, 105, 112, 120, 130, 140, 156, 160, 168, 182, 192, 195, 208, 210, 224, 240, 260, 273, 280, 312, 320, 336, 364, 390, 416, 420, 448, 455, 480, 520, 546, 560, 624, 672, 728, 780, 823, 832, 840, 910, 960, 1040, 1092, 1120, 1248, 1344, 1365, 1456, 1560, 1646, 1680, 1820, 2080, 2184, 2240, 2469, 2496, 2730, 2912, 3120, 3292, 3360, 3640, 4115, 4160, 4368, 4938, 5460, 5761, 5824, 6240, 6584, 6720, 7280, 8230, 8736, 9876, 10699, 10920, 11522, 12345, 12480, 13168, 14560, 16460, 17283, 17472, 19752, 21398, 21840, 23044, 24690, 26336, 28805, 29120, 32097, 32920, 34566, 39504, 42796, 43680, 46088, 49380, 52672, 53495, 57610, 64194, 65840, 69132, 74893, 79008, 85592, 86415, 87360, 92176, 98760, 106990, 115220, 128388, 131680, 138264, 149786, 158016, 160485, 171184, 172830, 184352, 197520, 213980, 224679, 230440, 256776, 263360, 276528, 299572, 320970, 342368, 345660, 368704, 374465, 395040, 427960, 449358, 460880, 513552, 553056, 599144, 641940, 684736, 691320, 748930, 790080, 855920, 898716, 921760, 1027104, 1106112, 1123395, 1198288, 1283880, 1382640, 1497860, 1711840, 1797432, 1843520, 2054208, 2246790, 2396576, 2567760, 2765280, 2995720, 3423680, 3594864, 4493580, 4793152, 5135520, 5530560, 5991440, 7189728, 8987160, 10271040, 11982880, 14379456, 17974320, 23965760, 35948640, 71897280]

約数ペア:

[(1, 71897280), (2, 35948640), (3, 23965760), (4, 17974320), (5, 14379456), (6, 11982880), (7, 10271040), (8, 8987160), (10, 7189728), (12, 5991440), (13, 5530560), (14, 5135520), (15, 4793152), (16, 4493580), (20, 3594864), (21, 3423680), (24, 2995720), (26, 2765280), (28, 2567760), (30, 2396576), (32, 2246790), (35, 2054208), (39, 1843520), (40, 1797432), (42, 1711840), (48, 1497860), (52, 1382640), (56, 1283880), (60, 1198288), (64, 1123395), (65, 1106112), (70, 1027104), (78, 921760), (80, 898716), (84, 855920), (91, 790080), (96, 748930), (104, 691320), (105, 684736), (112, 641940), (120, 599144), (130, 553056), (140, 513552), (156, 460880), (160, 449358), (168, 427960), (182, 395040), (192, 374465), (195, 368704), (208, 345660), (210, 342368), (224, 320970), (240, 299572), (260, 276528), (273, 263360), (280, 256776), (312, 230440), (320, 224679), (336, 213980), (364, 197520), (390, 184352), (416, 172830), (420, 171184), (448, 160485), (455, 158016), (480, 149786), (520, 138264), (546, 131680), (560, 128388), (624, 115220), (672, 106990), (728, 98760), (780, 92176), (823, 87360), (832, 86415), (840, 85592), (910, 79008), (960, 74893), (1040, 69132), (1092, 65840), (1120, 64194), (1248, 57610), (1344, 53495), (1365, 52672), (1456, 49380), (1560, 46088), (1646, 43680), (1680, 42796), (1820, 39504), (2080, 34566), (2184, 32920), (2240, 32097), (2469, 29120), (2496, 28805), (2730, 26336), (2912, 24690), (3120, 23044), (3292, 21840), (3360, 21398), (3640, 19752), (4115, 17472), (4160, 17283), (4368, 16460), (4938, 14560), (5460, 13168), (5761, 12480), (5824, 12345), (6240, 11522), (6584, 10920), (6720, 10699), (7280, 9876), (8230, 8736)]