71888040

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1$

素因数の和:321

約数の個数: 256

約数和(自身を含む): 282355200

約数和(自身を除く): 210467160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 37, 40, 42, 45, 54, 56, 60, 63, 70, 72, 74, 84, 90, 105, 108, 111, 120, 126, 135, 140, 148, 168, 180, 185, 189, 210, 216, 222, 252, 257, 259, 270, 280, 296, 315, 333, 360, 370, 378, 420, 444, 504, 514, 518, 540, 555, 630, 666, 740, 756, 771, 777, 840, 888, 945, 999, 1028, 1036, 1080, 1110, 1260, 1285, 1295, 1332, 1480, 1512, 1542, 1554, 1665, 1799, 1890, 1998, 2056, 2072, 2220, 2313, 2331, 2520, 2570, 2590, 2664, 3084, 3108, 3330, 3598, 3780, 3855, 3885, 3996, 4440, 4626, 4662, 4995, 5140, 5180, 5397, 6168, 6216, 6660, 6939, 6993, 7196, 7560, 7710, 7770, 7992, 8995, 9252, 9324, 9509, 9990, 10280, 10360, 10794, 11565, 11655, 13320, 13878, 13986, 14392, 15420, 15540, 16191, 17990, 18504, 18648, 19018, 19980, 21588, 23130, 23310, 26985, 27756, 27972, 28527, 30840, 31080, 32382, 34695, 34965, 35980, 38036, 39960, 43176, 46260, 46620, 47545, 48573, 53970, 55512, 55944, 57054, 64764, 66563, 69390, 69930, 71960, 76072, 80955, 85581, 92520, 93240, 95090, 97146, 107940, 114108, 129528, 133126, 138780, 139860, 142635, 161910, 171162, 190180, 194292, 199689, 215880, 228216, 242865, 256743, 266252, 277560, 279720, 285270, 323820, 332815, 342324, 380360, 388584, 399378, 427905, 485730, 513486, 532504, 570540, 599067, 647640, 665630, 684648, 798756, 855810, 971460, 998445, 1026972, 1141080, 1198134, 1283715, 1331260, 1597512, 1711620, 1797201, 1942920, 1996890, 2053944, 2396268, 2567430, 2662520, 2995335, 3423240, 3594402, 3993780, 4792536, 5134860, 5990670, 7188804, 7987560, 8986005, 10269720, 11981340, 14377608, 17972010, 23962680, 35944020, 71888040]

約数ペア:

[(1, 71888040), (2, 35944020), (3, 23962680), (4, 17972010), (5, 14377608), (6, 11981340), (7, 10269720), (8, 8986005), (9, 7987560), (10, 7188804), (12, 5990670), (14, 5134860), (15, 4792536), (18, 3993780), (20, 3594402), (21, 3423240), (24, 2995335), (27, 2662520), (28, 2567430), (30, 2396268), (35, 2053944), (36, 1996890), (37, 1942920), (40, 1797201), (42, 1711620), (45, 1597512), (54, 1331260), (56, 1283715), (60, 1198134), (63, 1141080), (70, 1026972), (72, 998445), (74, 971460), (84, 855810), (90, 798756), (105, 684648), (108, 665630), (111, 647640), (120, 599067), (126, 570540), (135, 532504), (140, 513486), (148, 485730), (168, 427905), (180, 399378), (185, 388584), (189, 380360), (210, 342324), (216, 332815), (222, 323820), (252, 285270), (257, 279720), (259, 277560), (270, 266252), (280, 256743), (296, 242865), (315, 228216), (333, 215880), (360, 199689), (370, 194292), (378, 190180), (420, 171162), (444, 161910), (504, 142635), (514, 139860), (518, 138780), (540, 133126), (555, 129528), (630, 114108), (666, 107940), (740, 97146), (756, 95090), (771, 93240), (777, 92520), (840, 85581), (888, 80955), (945, 76072), (999, 71960), (1028, 69930), (1036, 69390), (1080, 66563), (1110, 64764), (1260, 57054), (1285, 55944), (1295, 55512), (1332, 53970), (1480, 48573), (1512, 47545), (1542, 46620), (1554, 46260), (1665, 43176), (1799, 39960), (1890, 38036), (1998, 35980), (2056, 34965), (2072, 34695), (2220, 32382), (2313, 31080), (2331, 30840), (2520, 28527), (2570, 27972), (2590, 27756), (2664, 26985), (3084, 23310), (3108, 23130), (3330, 21588), (3598, 19980), (3780, 19018), (3855, 18648), (3885, 18504), (3996, 17990), (4440, 16191), (4626, 15540), (4662, 15420), (4995, 14392), (5140, 13986), (5180, 13878), (5397, 13320), (6168, 11655), (6216, 11565), (6660, 10794), (6939, 10360), (6993, 10280), (7196, 9990), (7560, 9509), (7710, 9324), (7770, 9252), (7992, 8995)]