321018880

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1$

素因数の和:111

約数の個数: 264

約数和(自身を含む): 970965792

約数和(自身を除く): 649946912

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 53, 56, 64, 65, 70, 80, 91, 104, 106, 112, 128, 130, 140, 160, 169, 182, 208, 212, 224, 256, 260, 265, 280, 320, 338, 364, 371, 416, 424, 448, 455, 512, 520, 530, 560, 640, 676, 689, 728, 742, 832, 845, 848, 896, 910, 1024, 1040, 1060, 1120, 1183, 1280, 1352, 1378, 1456, 1484, 1664, 1690, 1696, 1792, 1820, 1855, 2080, 2120, 2240, 2366, 2560, 2704, 2756, 2912, 2968, 3328, 3380, 3392, 3445, 3584, 3640, 3710, 4160, 4240, 4480, 4732, 4823, 5120, 5408, 5512, 5824, 5915, 5936, 6656, 6760, 6784, 6890, 7168, 7280, 7420, 8320, 8480, 8957, 8960, 9464, 9646, 10816, 11024, 11648, 11830, 11872, 13312, 13520, 13568, 13780, 14560, 14840, 16640, 16960, 17914, 17920, 18928, 19292, 21632, 22048, 23296, 23660, 23744, 24115, 27040, 27136, 27560, 29120, 29680, 33280, 33920, 35828, 35840, 37856, 38584, 43264, 44096, 44785, 46592, 47320, 47488, 48230, 54080, 54272, 55120, 58240, 59360, 62699, 66560, 67840, 71656, 75712, 77168, 86528, 88192, 89570, 93184, 94640, 94976, 96460, 108160, 110240, 116480, 118720, 125398, 135680, 143312, 151424, 154336, 173056, 176384, 179140, 189280, 189952, 192920, 216320, 220480, 232960, 237440, 250796, 271360, 286624, 302848, 308672, 313495, 352768, 358280, 378560, 379904, 385840, 432640, 440960, 465920, 474880, 501592, 573248, 605696, 617344, 626990, 705536, 716560, 757120, 771680, 865280, 881920, 949760, 1003184, 1146496, 1211392, 1234688, 1253980, 1433120, 1514240, 1543360, 1763840, 1899520, 2006368, 2292992, 2469376, 2507960, 2866240, 3028480, 3086720, 3527680, 4012736, 4585984, 4938752, 5015920, 5732480, 6056960, 6173440, 8025472, 9171968, 10031840, 11464960, 12346880, 16050944, 20063680, 22929920, 24693760, 32101888, 40127360, 45859840, 64203776, 80254720, 160509440, 321018880]

約数ペア:

[(1, 321018880), (2, 160509440), (4, 80254720), (5, 64203776), (7, 45859840), (8, 40127360), (10, 32101888), (13, 24693760), (14, 22929920), (16, 20063680), (20, 16050944), (26, 12346880), (28, 11464960), (32, 10031840), (35, 9171968), (40, 8025472), (52, 6173440), (53, 6056960), (56, 5732480), (64, 5015920), (65, 4938752), (70, 4585984), (80, 4012736), (91, 3527680), (104, 3086720), (106, 3028480), (112, 2866240), (128, 2507960), (130, 2469376), (140, 2292992), (160, 2006368), (169, 1899520), (182, 1763840), (208, 1543360), (212, 1514240), (224, 1433120), (256, 1253980), (260, 1234688), (265, 1211392), (280, 1146496), (320, 1003184), (338, 949760), (364, 881920), (371, 865280), (416, 771680), (424, 757120), (448, 716560), (455, 705536), (512, 626990), (520, 617344), (530, 605696), (560, 573248), (640, 501592), (676, 474880), (689, 465920), (728, 440960), (742, 432640), (832, 385840), (845, 379904), (848, 378560), (896, 358280), (910, 352768), (1024, 313495), (1040, 308672), (1060, 302848), (1120, 286624), (1183, 271360), (1280, 250796), (1352, 237440), (1378, 232960), (1456, 220480), (1484, 216320), (1664, 192920), (1690, 189952), (1696, 189280), (1792, 179140), (1820, 176384), (1855, 173056), (2080, 154336), (2120, 151424), (2240, 143312), (2366, 135680), (2560, 125398), (2704, 118720), (2756, 116480), (2912, 110240), (2968, 108160), (3328, 96460), (3380, 94976), (3392, 94640), (3445, 93184), (3584, 89570), (3640, 88192), (3710, 86528), (4160, 77168), (4240, 75712), (4480, 71656), (4732, 67840), (4823, 66560), (5120, 62699), (5408, 59360), (5512, 58240), (5824, 55120), (5915, 54272), (5936, 54080), (6656, 48230), (6760, 47488), (6784, 47320), (6890, 46592), (7168, 44785), (7280, 44096), (7420, 43264), (8320, 38584), (8480, 37856), (8957, 35840), (8960, 35828), (9464, 33920), (9646, 33280), (10816, 29680), (11024, 29120), (11648, 27560), (11830, 27136), (11872, 27040), (13312, 24115), (13520, 23744), (13568, 23660), (13780, 23296), (14560, 22048), (14840, 21632), (16640, 19292), (16960, 18928), (17914, 17920)]