161905380

素因数分解:

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

素因数の和:2326

約数の個数: 144

約数和(自身を含む): 561262464

約数和(自身を除く): 399357084

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 169, 182, 195, 210, 260, 273, 338, 364, 390, 420, 455, 507, 546, 676, 780, 845, 910, 1014, 1092, 1183, 1365, 1690, 1820, 2028, 2281, 2366, 2535, 2730, 3380, 3549, 4562, 4732, 5070, 5460, 5915, 6843, 7098, 9124, 10140, 11405, 11830, 13686, 14196, 15967, 17745, 22810, 23660, 27372, 29653, 31934, 34215, 35490, 45620, 47901, 59306, 63868, 68430, 70980, 79835, 88959, 95802, 118612, 136860, 148265, 159670, 177918, 191604, 207571, 239505, 296530, 319340, 355836, 385489, 415142, 444795, 479010, 593060, 622713, 770978, 830284, 889590, 958020, 1037855, 1156467, 1245426, 1541956, 1779180, 1927445, 2075710, 2312934, 2490852, 2698423, 3113565, 3854890, 4151420, 4625868, 5396846, 5782335, 6227130, 7709780, 8095269, 10793692, 11564670, 12454260, 13492115, 16190538, 23129340, 26984230, 32381076, 40476345, 53968460, 80952690, 161905380]

約数ペア:

[(1, 161905380), (2, 80952690), (3, 53968460), (4, 40476345), (5, 32381076), (6, 26984230), (7, 23129340), (10, 16190538), (12, 13492115), (13, 12454260), (14, 11564670), (15, 10793692), (20, 8095269), (21, 7709780), (26, 6227130), (28, 5782335), (30, 5396846), (35, 4625868), (39, 4151420), (42, 3854890), (52, 3113565), (60, 2698423), (65, 2490852), (70, 2312934), (78, 2075710), (84, 1927445), (91, 1779180), (105, 1541956), (130, 1245426), (140, 1156467), (156, 1037855), (169, 958020), (182, 889590), (195, 830284), (210, 770978), (260, 622713), (273, 593060), (338, 479010), (364, 444795), (390, 415142), (420, 385489), (455, 355836), (507, 319340), (546, 296530), (676, 239505), (780, 207571), (845, 191604), (910, 177918), (1014, 159670), (1092, 148265), (1183, 136860), (1365, 118612), (1690, 95802), (1820, 88959), (2028, 79835), (2281, 70980), (2366, 68430), (2535, 63868), (2730, 59306), (3380, 47901), (3549, 45620), (4562, 35490), (4732, 34215), (5070, 31934), (5460, 29653), (5915, 27372), (6843, 23660), (7098, 22810), (9124, 17745), (10140, 15967), (11405, 14196), (11830, 13686)]