78408720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8377}}^1$

素因数の和:8409

約数の個数: 120

約数和(自身を含む): 283612056

約数和(自身を除く): 205203336

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, 8377, 9360, 16754, 25131, 33508, 41885, 50262, 67016, 75393, 83770, 100524, 108901, 125655, 134032, 150786, 167540, 201048, 217802, 251310, 301572, 326703, 335080, 376965, 402096, 435604, 502620, 544505, 603144, 653406, 670160, 753930, 871208, 980109, 1005240, 1089010, 1206288, 1306812, 1507860, 1633515, 1742416, 1960218, 2010480, 2178020, 2613624, 3015720, 3267030, 3920436, 4356040, 4900545, 5227248, 6031440, 6534060, 7840872, 8712080, 9801090, 13068120, 15681744, 19602180, 26136240, 39204360, 78408720]

約数ペア:

[(1, 78408720), (2, 39204360), (3, 26136240), (4, 19602180), (5, 15681744), (6, 13068120), (8, 9801090), (9, 8712080), (10, 7840872), (12, 6534060), (13, 6031440), (15, 5227248), (16, 4900545), (18, 4356040), (20, 3920436), (24, 3267030), (26, 3015720), (30, 2613624), (36, 2178020), (39, 2010480), (40, 1960218), (45, 1742416), (48, 1633515), (52, 1507860), (60, 1306812), (65, 1206288), (72, 1089010), (78, 1005240), (80, 980109), (90, 871208), (104, 753930), (117, 670160), (120, 653406), (130, 603144), (144, 544505), (156, 502620), (180, 435604), (195, 402096), (208, 376965), (234, 335080), (240, 326703), (260, 301572), (312, 251310), (360, 217802), (390, 201048), (468, 167540), (520, 150786), (585, 134032), (624, 125655), (720, 108901), (780, 100524), (936, 83770), (1040, 75393), (1170, 67016), (1560, 50262), (1872, 41885), (2340, 33508), (3120, 25131), (4680, 16754), (8377, 9360)]