80254720

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1$

素因数の和:107

約数の個数: 216

約数和(自身を含む): 242385696

約数和(自身を除く): 162130976

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, 520, 530, 560, 640, 676, 689, 728, 742, 832, 845, 848, 896, 910, 1040, 1060, 1120, 1183, 1280, 1352, 1378, 1456, 1484, 1664, 1690, 1696, 1792, 1820, 1855, 2080, 2120, 2240, 2366, 2704, 2756, 2912, 2968, 3328, 3380, 3392, 3445, 3640, 3710, 4160, 4240, 4480, 4732, 4823, 5408, 5512, 5824, 5915, 5936, 6760, 6784, 6890, 7280, 7420, 8320, 8480, 8957, 8960, 9464, 9646, 10816, 11024, 11648, 11830, 11872, 13520, 13568, 13780, 14560, 14840, 16640, 16960, 17914, 18928, 19292, 21632, 22048, 23296, 23660, 23744, 24115, 27040, 27560, 29120, 29680, 33920, 35828, 37856, 38584, 43264, 44096, 44785, 47320, 47488, 48230, 54080, 55120, 58240, 59360, 62699, 67840, 71656, 75712, 77168, 88192, 89570, 94640, 94976, 96460, 108160, 110240, 116480, 118720, 125398, 143312, 151424, 154336, 176384, 179140, 189280, 192920, 216320, 220480, 237440, 250796, 286624, 302848, 308672, 313495, 358280, 378560, 385840, 440960, 474880, 501592, 573248, 617344, 626990, 716560, 757120, 771680, 881920, 1003184, 1146496, 1234688, 1253980, 1433120, 1514240, 1543360, 2006368, 2292992, 2507960, 2866240, 3086720, 4012736, 5015920, 5732480, 6173440, 8025472, 10031840, 11464960, 16050944, 20063680, 40127360, 80254720]

約数ペア:

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