28638480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1$

素因数の和:233

約数の個数: 160

約数和(自身を含む): 97743744

約数和(自身を除く): 69105264

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 67, 78, 80, 104, 120, 130, 134, 137, 156, 195, 201, 208, 240, 260, 268, 274, 312, 335, 390, 402, 411, 520, 536, 548, 624, 670, 685, 780, 804, 822, 871, 1005, 1040, 1072, 1096, 1340, 1370, 1560, 1608, 1644, 1742, 1781, 2010, 2055, 2192, 2613, 2680, 2740, 3120, 3216, 3288, 3484, 3562, 4020, 4110, 4355, 5226, 5343, 5360, 5480, 6576, 6968, 7124, 8040, 8220, 8710, 8905, 9179, 10452, 10686, 10960, 13065, 13936, 14248, 16080, 16440, 17420, 17810, 18358, 20904, 21372, 26130, 26715, 27537, 28496, 32880, 34840, 35620, 36716, 41808, 42744, 45895, 52260, 53430, 55074, 69680, 71240, 73432, 85488, 91790, 104520, 106860, 110148, 119327, 137685, 142480, 146864, 183580, 209040, 213720, 220296, 238654, 275370, 357981, 367160, 427440, 440592, 477308, 550740, 596635, 715962, 734320, 954616, 1101480, 1193270, 1431924, 1789905, 1909232, 2202960, 2386540, 2863848, 3579810, 4773080, 5727696, 7159620, 9546160, 14319240, 28638480]

約数ペア:

[(1, 28638480), (2, 14319240), (3, 9546160), (4, 7159620), (5, 5727696), (6, 4773080), (8, 3579810), (10, 2863848), (12, 2386540), (13, 2202960), (15, 1909232), (16, 1789905), (20, 1431924), (24, 1193270), (26, 1101480), (30, 954616), (39, 734320), (40, 715962), (48, 596635), (52, 550740), (60, 477308), (65, 440592), (67, 427440), (78, 367160), (80, 357981), (104, 275370), (120, 238654), (130, 220296), (134, 213720), (137, 209040), (156, 183580), (195, 146864), (201, 142480), (208, 137685), (240, 119327), (260, 110148), (268, 106860), (274, 104520), (312, 91790), (335, 85488), (390, 73432), (402, 71240), (411, 69680), (520, 55074), (536, 53430), (548, 52260), (624, 45895), (670, 42744), (685, 41808), (780, 36716), (804, 35620), (822, 34840), (871, 32880), (1005, 28496), (1040, 27537), (1072, 26715), (1096, 26130), (1340, 21372), (1370, 20904), (1560, 18358), (1608, 17810), (1644, 17420), (1742, 16440), (1781, 16080), (2010, 14248), (2055, 13936), (2192, 13065), (2613, 10960), (2680, 10686), (2740, 10452), (3120, 9179), (3216, 8905), (3288, 8710), (3484, 8220), (3562, 8040), (4020, 7124), (4110, 6968), (4355, 6576), (5226, 5480), (5343, 5360)]