81216720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8677}}^1$

素因数の和:8709

約数の個数: 120

約数和(自身を含む): 293767656

約数和(自身を除く): 212550936

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 180, 195, 208, 234, 240, 260, 312, 360, 390, 468, 520, 585, 624, 720, 780, 936, 1040, 1170, 1560, 1872, 2340, 3120, 4680, 8677, 9360, 17354, 26031, 34708, 43385, 52062, 69416, 78093, 86770, 104124, 112801, 130155, 138832, 156186, 173540, 208248, 225602, 260310, 312372, 338403, 347080, 390465, 416496, 451204, 520620, 564005, 624744, 676806, 694160, 780930, 902408, 1015209, 1041240, 1128010, 1249488, 1353612, 1561860, 1692015, 1804816, 2030418, 2082480, 2256020, 2707224, 3123720, 3384030, 4060836, 4512040, 5076045, 5414448, 6247440, 6768060, 8121672, 9024080, 10152090, 13536120, 16243344, 20304180, 27072240, 40608360, 81216720]

約数ペア:

[(1, 81216720), (2, 40608360), (3, 27072240), (4, 20304180), (5, 16243344), (6, 13536120), (8, 10152090), (9, 9024080), (10, 8121672), (12, 6768060), (13, 6247440), (15, 5414448), (16, 5076045), (18, 4512040), (20, 4060836), (24, 3384030), (26, 3123720), (30, 2707224), (36, 2256020), (39, 2082480), (40, 2030418), (45, 1804816), (48, 1692015), (52, 1561860), (60, 1353612), (65, 1249488), (72, 1128010), (78, 1041240), (80, 1015209), (90, 902408), (104, 780930), (117, 694160), (120, 676806), (130, 624744), (144, 564005), (156, 520620), (180, 451204), (195, 416496), (208, 390465), (234, 347080), (240, 338403), (260, 312372), (312, 260310), (360, 225602), (390, 208248), (468, 173540), (520, 156186), (585, 138832), (624, 130155), (720, 112801), (780, 104124), (936, 86770), (1040, 78093), (1170, 69416), (1560, 52062), (1872, 43385), (2340, 34708), (3120, 26031), (4680, 17354), (8677, 9360)]