71405880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{503}}^1$

素因数の和:550

約数の個数: 192

約数和(自身を含む): 265628160

約数和(自身を除く): 194222280

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, 169, 182, 195, 210, 260, 273, 280, 312, 338, 364, 390, 420, 455, 503, 507, 520, 546, 676, 728, 780, 840, 845, 910, 1006, 1014, 1092, 1183, 1352, 1365, 1509, 1560, 1690, 1820, 2012, 2028, 2184, 2366, 2515, 2535, 2730, 3018, 3380, 3521, 3549, 3640, 4024, 4056, 4732, 5030, 5070, 5460, 5915, 6036, 6539, 6760, 7042, 7098, 7545, 9464, 10060, 10140, 10563, 10920, 11830, 12072, 13078, 14084, 14196, 15090, 17605, 17745, 19617, 20120, 20280, 21126, 23660, 26156, 28168, 28392, 30180, 32695, 35210, 35490, 39234, 42252, 45773, 47320, 52312, 52815, 60360, 65390, 70420, 70980, 78468, 84504, 85007, 91546, 98085, 105630, 130780, 137319, 140840, 141960, 156936, 170014, 183092, 196170, 211260, 228865, 255021, 261560, 274638, 340028, 366184, 392340, 422520, 425035, 457730, 510042, 549276, 595049, 680056, 686595, 784680, 850070, 915460, 1020084, 1098552, 1190098, 1275105, 1373190, 1700140, 1785147, 1830920, 2040168, 2380196, 2550210, 2746380, 2975245, 3400280, 3570294, 4760392, 5100420, 5492760, 5950490, 7140588, 8925735, 10200840, 11900980, 14281176, 17851470, 23801960, 35702940, 71405880]

約数ペア:

[(1, 71405880), (2, 35702940), (3, 23801960), (4, 17851470), (5, 14281176), (6, 11900980), (7, 10200840), (8, 8925735), (10, 7140588), (12, 5950490), (13, 5492760), (14, 5100420), (15, 4760392), (20, 3570294), (21, 3400280), (24, 2975245), (26, 2746380), (28, 2550210), (30, 2380196), (35, 2040168), (39, 1830920), (40, 1785147), (42, 1700140), (52, 1373190), (56, 1275105), (60, 1190098), (65, 1098552), (70, 1020084), (78, 915460), (84, 850070), (91, 784680), (104, 686595), (105, 680056), (120, 595049), (130, 549276), (140, 510042), (156, 457730), (168, 425035), (169, 422520), (182, 392340), (195, 366184), (210, 340028), (260, 274638), (273, 261560), (280, 255021), (312, 228865), (338, 211260), (364, 196170), (390, 183092), (420, 170014), (455, 156936), (503, 141960), (507, 140840), (520, 137319), (546, 130780), (676, 105630), (728, 98085), (780, 91546), (840, 85007), (845, 84504), (910, 78468), (1006, 70980), (1014, 70420), (1092, 65390), (1183, 60360), (1352, 52815), (1365, 52312), (1509, 47320), (1560, 45773), (1690, 42252), (1820, 39234), (2012, 35490), (2028, 35210), (2184, 32695), (2366, 30180), (2515, 28392), (2535, 28168), (2730, 26156), (3018, 23660), (3380, 21126), (3521, 20280), (3549, 20120), (3640, 19617), (4024, 17745), (4056, 17605), (4732, 15090), (5030, 14196), (5070, 14084), (5460, 13078), (5915, 12072), (6036, 11830), (6539, 10920), (6760, 10563), (7042, 10140), (7098, 10060), (7545, 9464)]