87179820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2281}}^1$

素因数の和:2320

約数の個数: 144

約数和(自身を含む): 305934048

約数和(自身を除く): 218754228

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 49, 52, 60, 65, 70, 78, 84, 91, 98, 105, 130, 140, 147, 156, 182, 195, 196, 210, 245, 260, 273, 294, 364, 390, 420, 455, 490, 546, 588, 637, 735, 780, 910, 980, 1092, 1274, 1365, 1470, 1820, 1911, 2281, 2548, 2730, 2940, 3185, 3822, 4562, 5460, 6370, 6843, 7644, 9124, 9555, 11405, 12740, 13686, 15967, 19110, 22810, 27372, 29653, 31934, 34215, 38220, 45620, 47901, 59306, 63868, 68430, 79835, 88959, 95802, 111769, 118612, 136860, 148265, 159670, 177918, 191604, 207571, 223538, 239505, 296530, 319340, 335307, 355836, 415142, 444795, 447076, 479010, 558845, 593060, 622713, 670614, 830284, 889590, 958020, 1037855, 1117690, 1245426, 1341228, 1452997, 1676535, 1779180, 2075710, 2235380, 2490852, 2905994, 3113565, 3353070, 4151420, 4358991, 5811988, 6227130, 6706140, 7264985, 8717982, 12454260, 14529970, 17435964, 21794955, 29059940, 43589910, 87179820]

約数ペア:

[(1, 87179820), (2, 43589910), (3, 29059940), (4, 21794955), (5, 17435964), (6, 14529970), (7, 12454260), (10, 8717982), (12, 7264985), (13, 6706140), (14, 6227130), (15, 5811988), (20, 4358991), (21, 4151420), (26, 3353070), (28, 3113565), (30, 2905994), (35, 2490852), (39, 2235380), (42, 2075710), (49, 1779180), (52, 1676535), (60, 1452997), (65, 1341228), (70, 1245426), (78, 1117690), (84, 1037855), (91, 958020), (98, 889590), (105, 830284), (130, 670614), (140, 622713), (147, 593060), (156, 558845), (182, 479010), (195, 447076), (196, 444795), (210, 415142), (245, 355836), (260, 335307), (273, 319340), (294, 296530), (364, 239505), (390, 223538), (420, 207571), (455, 191604), (490, 177918), (546, 159670), (588, 148265), (637, 136860), (735, 118612), (780, 111769), (910, 95802), (980, 88959), (1092, 79835), (1274, 68430), (1365, 63868), (1470, 59306), (1820, 47901), (1911, 45620), (2281, 38220), (2548, 34215), (2730, 31934), (2940, 29653), (3185, 27372), (3822, 22810), (4562, 19110), (5460, 15967), (6370, 13686), (6843, 12740), (7644, 11405), (9124, 9555)]