71820840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6577}}^1$

素因数の和:6611

約数の個数: 128

約数和(自身を含む): 265224960

約数和(自身を除く): 193404120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 6577, 10920, 13154, 19731, 26308, 32885, 39462, 46039, 52616, 65770, 78924, 85501, 92078, 98655, 131540, 138117, 157848, 171002, 184156, 197310, 230195, 256503, 263080, 276234, 342004, 368312, 394620, 427505, 460390, 513006, 552468, 598507, 684008, 690585, 789240, 855010, 920780, 1026012, 1104936, 1197014, 1282515, 1381170, 1710020, 1795521, 1841560, 2052024, 2394028, 2565030, 2762340, 2992535, 3420040, 3591042, 4788056, 5130060, 5524680, 5985070, 7182084, 8977605, 10260120, 11970140, 14364168, 17955210, 23940280, 35910420, 71820840]

約数ペア:

[(1, 71820840), (2, 35910420), (3, 23940280), (4, 17955210), (5, 14364168), (6, 11970140), (7, 10260120), (8, 8977605), (10, 7182084), (12, 5985070), (13, 5524680), (14, 5130060), (15, 4788056), (20, 3591042), (21, 3420040), (24, 2992535), (26, 2762340), (28, 2565030), (30, 2394028), (35, 2052024), (39, 1841560), (40, 1795521), (42, 1710020), (52, 1381170), (56, 1282515), (60, 1197014), (65, 1104936), (70, 1026012), (78, 920780), (84, 855010), (91, 789240), (104, 690585), (105, 684008), (120, 598507), (130, 552468), (140, 513006), (156, 460390), (168, 427505), (182, 394620), (195, 368312), (210, 342004), (260, 276234), (273, 263080), (280, 256503), (312, 230195), (364, 197310), (390, 184156), (420, 171002), (455, 157848), (520, 138117), (546, 131540), (728, 98655), (780, 92078), (840, 85501), (910, 78924), (1092, 65770), (1365, 52616), (1560, 46039), (1820, 39462), (2184, 32885), (2730, 26308), (3640, 19731), (5460, 13154), (6577, 10920)]