25283280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:245

約数の個数: 160

約数和(自身を含む): 87458688

約数和(自身を除く): 62175408

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 61, 66, 80, 88, 110, 120, 122, 132, 157, 165, 176, 183, 220, 240, 244, 264, 305, 314, 330, 366, 440, 471, 488, 528, 610, 628, 660, 671, 732, 785, 880, 915, 942, 976, 1220, 1256, 1320, 1342, 1464, 1570, 1727, 1830, 1884, 2013, 2355, 2440, 2512, 2640, 2684, 2928, 3140, 3355, 3454, 3660, 3768, 4026, 4710, 4880, 5181, 5368, 6280, 6710, 6908, 7320, 7536, 8052, 8635, 9420, 9577, 10065, 10362, 10736, 12560, 13420, 13816, 14640, 16104, 17270, 18840, 19154, 20130, 20724, 25905, 26840, 27632, 28731, 32208, 34540, 37680, 38308, 40260, 41448, 47885, 51810, 53680, 57462, 69080, 76616, 80520, 82896, 95770, 103620, 105347, 114924, 138160, 143655, 153232, 161040, 191540, 207240, 210694, 229848, 287310, 316041, 383080, 414480, 421388, 459696, 526735, 574620, 632082, 766160, 842776, 1053470, 1149240, 1264164, 1580205, 1685552, 2106940, 2298480, 2528328, 3160410, 4213880, 5056656, 6320820, 8427760, 12641640, 25283280]

約数ペア:

[(1, 25283280), (2, 12641640), (3, 8427760), (4, 6320820), (5, 5056656), (6, 4213880), (8, 3160410), (10, 2528328), (11, 2298480), (12, 2106940), (15, 1685552), (16, 1580205), (20, 1264164), (22, 1149240), (24, 1053470), (30, 842776), (33, 766160), (40, 632082), (44, 574620), (48, 526735), (55, 459696), (60, 421388), (61, 414480), (66, 383080), (80, 316041), (88, 287310), (110, 229848), (120, 210694), (122, 207240), (132, 191540), (157, 161040), (165, 153232), (176, 143655), (183, 138160), (220, 114924), (240, 105347), (244, 103620), (264, 95770), (305, 82896), (314, 80520), (330, 76616), (366, 69080), (440, 57462), (471, 53680), (488, 51810), (528, 47885), (610, 41448), (628, 40260), (660, 38308), (671, 37680), (732, 34540), (785, 32208), (880, 28731), (915, 27632), (942, 26840), (976, 25905), (1220, 20724), (1256, 20130), (1320, 19154), (1342, 18840), (1464, 17270), (1570, 16104), (1727, 14640), (1830, 13816), (1884, 13420), (2013, 12560), (2355, 10736), (2440, 10362), (2512, 10065), (2640, 9577), (2684, 9420), (2928, 8635), (3140, 8052), (3355, 7536), (3454, 7320), (3660, 6908), (3768, 6710), (4026, 6280), (4710, 5368), (4880, 5181)]