31580640

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1$

素因数の和:282

約数の個数: 288

約数和(自身を含む): 133189056

約数和(自身を除く): 101608416

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 28, 30, 32, 35, 36, 39, 40, 42, 45, 48, 52, 56, 60, 63, 65, 70, 72, 78, 80, 84, 90, 91, 96, 104, 105, 112, 117, 120, 126, 130, 140, 144, 156, 160, 168, 180, 182, 195, 208, 210, 224, 234, 240, 241, 252, 260, 273, 280, 288, 312, 315, 336, 360, 364, 390, 416, 420, 455, 468, 480, 482, 504, 520, 546, 560, 585, 624, 630, 672, 720, 723, 728, 780, 819, 840, 910, 936, 964, 1008, 1040, 1092, 1120, 1170, 1205, 1248, 1260, 1365, 1440, 1446, 1456, 1560, 1638, 1680, 1687, 1820, 1872, 1928, 2016, 2080, 2169, 2184, 2340, 2410, 2520, 2730, 2892, 2912, 3120, 3133, 3276, 3360, 3374, 3615, 3640, 3744, 3856, 4095, 4338, 4368, 4680, 4820, 5040, 5061, 5460, 5784, 6240, 6266, 6552, 6748, 7230, 7280, 7712, 8190, 8435, 8676, 8736, 9360, 9399, 9640, 10080, 10122, 10845, 10920, 11568, 12532, 13104, 13496, 14460, 14560, 15183, 15665, 16380, 16870, 17352, 18720, 18798, 19280, 20244, 21690, 21840, 21931, 23136, 25064, 25305, 26208, 26992, 28197, 28920, 30366, 31330, 32760, 33740, 34704, 37596, 38560, 40488, 43380, 43680, 43862, 46995, 50128, 50610, 53984, 56394, 57840, 60732, 62660, 65520, 65793, 67480, 69408, 75192, 75915, 80976, 86760, 87724, 93990, 100256, 101220, 109655, 112788, 115680, 121464, 125320, 131040, 131586, 134960, 140985, 150384, 151830, 161952, 173520, 175448, 187980, 197379, 202440, 219310, 225576, 242928, 250640, 263172, 269920, 281970, 300768, 303660, 328965, 347040, 350896, 375960, 394758, 404880, 438620, 451152, 485856, 501280, 526344, 563940, 607320, 657930, 701792, 751920, 789516, 809760, 877240, 902304, 986895, 1052688, 1127880, 1214640, 1315860, 1503840, 1579032, 1754480, 1973790, 2105376, 2255760, 2429280, 2631720, 3158064, 3508960, 3947580, 4511520, 5263440, 6316128, 7895160, 10526880, 15790320, 31580640]

約数ペア:

[(1, 31580640), (2, 15790320), (3, 10526880), (4, 7895160), (5, 6316128), (6, 5263440), (7, 4511520), (8, 3947580), (9, 3508960), (10, 3158064), (12, 2631720), (13, 2429280), (14, 2255760), (15, 2105376), (16, 1973790), (18, 1754480), (20, 1579032), (21, 1503840), (24, 1315860), (26, 1214640), (28, 1127880), (30, 1052688), (32, 986895), (35, 902304), (36, 877240), (39, 809760), (40, 789516), (42, 751920), (45, 701792), (48, 657930), (52, 607320), (56, 563940), (60, 526344), (63, 501280), (65, 485856), (70, 451152), (72, 438620), (78, 404880), (80, 394758), (84, 375960), (90, 350896), (91, 347040), (96, 328965), (104, 303660), (105, 300768), (112, 281970), (117, 269920), (120, 263172), (126, 250640), (130, 242928), (140, 225576), (144, 219310), (156, 202440), (160, 197379), (168, 187980), (180, 175448), (182, 173520), (195, 161952), (208, 151830), (210, 150384), (224, 140985), (234, 134960), (240, 131586), (241, 131040), (252, 125320), (260, 121464), (273, 115680), (280, 112788), (288, 109655), (312, 101220), (315, 100256), (336, 93990), (360, 87724), (364, 86760), (390, 80976), (416, 75915), (420, 75192), (455, 69408), (468, 67480), (480, 65793), (482, 65520), (504, 62660), (520, 60732), (546, 57840), (560, 56394), (585, 53984), (624, 50610), (630, 50128), (672, 46995), (720, 43862), (723, 43680), (728, 43380), (780, 40488), (819, 38560), (840, 37596), (910, 34704), (936, 33740), (964, 32760), (1008, 31330), (1040, 30366), (1092, 28920), (1120, 28197), (1170, 26992), (1205, 26208), (1248, 25305), (1260, 25064), (1365, 23136), (1440, 21931), (1446, 21840), (1456, 21690), (1560, 20244), (1638, 19280), (1680, 18798), (1687, 18720), (1820, 17352), (1872, 16870), (1928, 16380), (2016, 15665), (2080, 15183), (2169, 14560), (2184, 14460), (2340, 13496), (2410, 13104), (2520, 12532), (2730, 11568), (2892, 10920), (2912, 10845), (3120, 10122), (3133, 10080), (3276, 9640), (3360, 9399), (3374, 9360), (3615, 8736), (3640, 8676), (3744, 8435), (3856, 8190), (4095, 7712), (4338, 7280), (4368, 7230), (4680, 6748), (4820, 6552), (5040, 6266), (5061, 6240), (5460, 5784)]