64526280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{311}}^1$

素因数の和:364

約数の個数: 256

約数和(自身を含む): 251596800

約数和(自身を除く): 187070520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 19, 20, 21, 24, 26, 28, 30, 35, 38, 39, 40, 42, 52, 56, 57, 60, 65, 70, 76, 78, 84, 91, 95, 104, 105, 114, 120, 130, 133, 140, 152, 156, 168, 182, 190, 195, 210, 228, 247, 260, 266, 273, 280, 285, 311, 312, 364, 380, 390, 399, 420, 455, 456, 494, 520, 532, 546, 570, 622, 665, 728, 741, 760, 780, 798, 840, 910, 933, 988, 1064, 1092, 1140, 1235, 1244, 1330, 1365, 1482, 1555, 1560, 1596, 1729, 1820, 1866, 1976, 1995, 2177, 2184, 2280, 2470, 2488, 2660, 2730, 2964, 3110, 3192, 3458, 3640, 3705, 3732, 3990, 4043, 4354, 4665, 4940, 5187, 5320, 5460, 5909, 5928, 6220, 6531, 6916, 7410, 7464, 7980, 8086, 8645, 8708, 9330, 9880, 10374, 10885, 10920, 11818, 12129, 12440, 13062, 13832, 14820, 15960, 16172, 17290, 17416, 17727, 18660, 20215, 20748, 21770, 23636, 24258, 25935, 26124, 28301, 29545, 29640, 32344, 32655, 34580, 35454, 37320, 40430, 41363, 41496, 43540, 47272, 48516, 51870, 52248, 56602, 59090, 60645, 65310, 69160, 70908, 76817, 80860, 82726, 84903, 87080, 88635, 97032, 103740, 113204, 118180, 121290, 124089, 130620, 141505, 141816, 153634, 161720, 165452, 169806, 177270, 206815, 207480, 226408, 230451, 236360, 242580, 248178, 261240, 283010, 307268, 330904, 339612, 354540, 384085, 413630, 424515, 460902, 485160, 496356, 537719, 566020, 614536, 620445, 679224, 709080, 768170, 827260, 849030, 921804, 992712, 1075438, 1132040, 1152255, 1240890, 1536340, 1613157, 1654520, 1698060, 1843608, 2150876, 2304510, 2481780, 2688595, 3072680, 3226314, 3396120, 4301752, 4609020, 4963560, 5377190, 6452628, 8065785, 9218040, 10754380, 12905256, 16131570, 21508760, 32263140, 64526280]

約数ペア:

[(1, 64526280), (2, 32263140), (3, 21508760), (4, 16131570), (5, 12905256), (6, 10754380), (7, 9218040), (8, 8065785), (10, 6452628), (12, 5377190), (13, 4963560), (14, 4609020), (15, 4301752), (19, 3396120), (20, 3226314), (21, 3072680), (24, 2688595), (26, 2481780), (28, 2304510), (30, 2150876), (35, 1843608), (38, 1698060), (39, 1654520), (40, 1613157), (42, 1536340), (52, 1240890), (56, 1152255), (57, 1132040), (60, 1075438), (65, 992712), (70, 921804), (76, 849030), (78, 827260), (84, 768170), (91, 709080), (95, 679224), (104, 620445), (105, 614536), (114, 566020), (120, 537719), (130, 496356), (133, 485160), (140, 460902), (152, 424515), (156, 413630), (168, 384085), (182, 354540), (190, 339612), (195, 330904), (210, 307268), (228, 283010), (247, 261240), (260, 248178), (266, 242580), (273, 236360), (280, 230451), (285, 226408), (311, 207480), (312, 206815), (364, 177270), (380, 169806), (390, 165452), (399, 161720), (420, 153634), (455, 141816), (456, 141505), (494, 130620), (520, 124089), (532, 121290), (546, 118180), (570, 113204), (622, 103740), (665, 97032), (728, 88635), (741, 87080), (760, 84903), (780, 82726), (798, 80860), (840, 76817), (910, 70908), (933, 69160), (988, 65310), (1064, 60645), (1092, 59090), (1140, 56602), (1235, 52248), (1244, 51870), (1330, 48516), (1365, 47272), (1482, 43540), (1555, 41496), (1560, 41363), (1596, 40430), (1729, 37320), (1820, 35454), (1866, 34580), (1976, 32655), (1995, 32344), (2177, 29640), (2184, 29545), (2280, 28301), (2470, 26124), (2488, 25935), (2660, 24258), (2730, 23636), (2964, 21770), (3110, 20748), (3192, 20215), (3458, 18660), (3640, 17727), (3705, 17416), (3732, 17290), (3990, 16172), (4043, 15960), (4354, 14820), (4665, 13832), (4940, 13062), (5187, 12440), (5320, 12129), (5460, 11818), (5909, 10920), (5928, 10885), (6220, 10374), (6531, 9880), (6916, 9330), (7410, 8708), (7464, 8645), (7980, 8086)]