28544880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1307}}^1$

素因数の和:1343

約数の個数: 160

約数和(自身を含む): 108993024

約数和(自身を除く): 80448144

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 104, 105, 112, 120, 130, 140, 156, 168, 182, 195, 208, 210, 240, 260, 273, 280, 312, 336, 364, 390, 420, 455, 520, 546, 560, 624, 728, 780, 840, 910, 1040, 1092, 1307, 1365, 1456, 1560, 1680, 1820, 2184, 2614, 2730, 3120, 3640, 3921, 4368, 5228, 5460, 6535, 7280, 7842, 9149, 10456, 10920, 13070, 15684, 16991, 18298, 19605, 20912, 21840, 26140, 27447, 31368, 33982, 36596, 39210, 45745, 50973, 52280, 54894, 62736, 67964, 73192, 78420, 84955, 91490, 101946, 104560, 109788, 118937, 135928, 137235, 146384, 156840, 169910, 182980, 203892, 219576, 237874, 254865, 271856, 274470, 313680, 339820, 356811, 365960, 407784, 439152, 475748, 509730, 548940, 594685, 679640, 713622, 731920, 815568, 951496, 1019460, 1097880, 1189370, 1359280, 1427244, 1784055, 1902992, 2038920, 2195760, 2378740, 2854488, 3568110, 4077840, 4757480, 5708976, 7136220, 9514960, 14272440, 28544880]

約数ペア:

[(1, 28544880), (2, 14272440), (3, 9514960), (4, 7136220), (5, 5708976), (6, 4757480), (7, 4077840), (8, 3568110), (10, 2854488), (12, 2378740), (13, 2195760), (14, 2038920), (15, 1902992), (16, 1784055), (20, 1427244), (21, 1359280), (24, 1189370), (26, 1097880), (28, 1019460), (30, 951496), (35, 815568), (39, 731920), (40, 713622), (42, 679640), (48, 594685), (52, 548940), (56, 509730), (60, 475748), (65, 439152), (70, 407784), (78, 365960), (80, 356811), (84, 339820), (91, 313680), (104, 274470), (105, 271856), (112, 254865), (120, 237874), (130, 219576), (140, 203892), (156, 182980), (168, 169910), (182, 156840), (195, 146384), (208, 137235), (210, 135928), (240, 118937), (260, 109788), (273, 104560), (280, 101946), (312, 91490), (336, 84955), (364, 78420), (390, 73192), (420, 67964), (455, 62736), (520, 54894), (546, 52280), (560, 50973), (624, 45745), (728, 39210), (780, 36596), (840, 33982), (910, 31368), (1040, 27447), (1092, 26140), (1307, 21840), (1365, 20912), (1456, 19605), (1560, 18298), (1680, 16991), (1820, 15684), (2184, 13070), (2614, 10920), (2730, 10456), (3120, 9149), (3640, 7842), (3921, 7280), (4368, 6535), (5228, 5460)]