1288500720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{1429}}^1$

素因数の和:1492

約数の個数: 240

約数和(自身を含む): 4572728160

約数和(自身を除く): 3284227440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 17, 20, 24, 26, 30, 34, 39, 40, 48, 51, 52, 60, 65, 68, 78, 80, 85, 102, 104, 120, 130, 136, 156, 170, 195, 204, 208, 221, 240, 255, 260, 272, 289, 312, 340, 390, 408, 442, 510, 520, 578, 624, 663, 680, 780, 816, 867, 884, 1020, 1040, 1105, 1156, 1326, 1360, 1429, 1445, 1560, 1734, 1768, 2040, 2210, 2312, 2652, 2858, 2890, 3120, 3315, 3468, 3536, 3757, 4080, 4287, 4335, 4420, 4624, 5304, 5716, 5780, 6630, 6936, 7145, 7514, 8574, 8670, 8840, 10608, 11271, 11432, 11560, 13260, 13872, 14290, 15028, 17148, 17340, 17680, 18577, 18785, 21435, 22542, 22864, 23120, 24293, 26520, 28580, 30056, 34296, 34680, 37154, 37570, 42870, 45084, 48586, 53040, 55731, 56355, 57160, 60112, 68592, 69360, 72879, 74308, 75140, 85740, 90168, 92885, 97172, 111462, 112710, 114320, 121465, 145758, 148616, 150280, 171480, 180336, 185770, 194344, 222924, 225420, 242930, 278655, 291516, 297232, 300560, 315809, 342960, 364395, 371540, 388688, 412981, 445848, 450840, 485860, 557310, 583032, 631618, 728790, 743080, 825962, 891696, 901680, 947427, 971720, 1114620, 1166064, 1238943, 1263236, 1457580, 1486160, 1579045, 1651924, 1894854, 1943440, 2064905, 2229240, 2477886, 2526472, 2915160, 3158090, 3303848, 3789708, 4129810, 4458480, 4737135, 4955772, 5052944, 5368753, 5830320, 6194715, 6316180, 6607696, 7579416, 8259620, 9474270, 9911544, 10737506, 12389430, 12632360, 15158832, 16106259, 16519240, 18948540, 19823088, 21475012, 24778860, 25264720, 26843765, 32212518, 33038480, 37897080, 42950024, 49557720, 53687530, 64425036, 75794160, 80531295, 85900048, 99115440, 107375060, 128850072, 161062590, 214750120, 257700144, 322125180, 429500240, 644250360, 1288500720]

約数ペア:

[(1, 1288500720), (2, 644250360), (3, 429500240), (4, 322125180), (5, 257700144), (6, 214750120), (8, 161062590), (10, 128850072), (12, 107375060), (13, 99115440), (15, 85900048), (16, 80531295), (17, 75794160), (20, 64425036), (24, 53687530), (26, 49557720), (30, 42950024), (34, 37897080), (39, 33038480), (40, 32212518), (48, 26843765), (51, 25264720), (52, 24778860), (60, 21475012), (65, 19823088), (68, 18948540), (78, 16519240), (80, 16106259), (85, 15158832), (102, 12632360), (104, 12389430), (120, 10737506), (130, 9911544), (136, 9474270), (156, 8259620), (170, 7579416), (195, 6607696), (204, 6316180), (208, 6194715), (221, 5830320), (240, 5368753), (255, 5052944), (260, 4955772), (272, 4737135), (289, 4458480), (312, 4129810), (340, 3789708), (390, 3303848), (408, 3158090), (442, 2915160), (510, 2526472), (520, 2477886), (578, 2229240), (624, 2064905), (663, 1943440), (680, 1894854), (780, 1651924), (816, 1579045), (867, 1486160), (884, 1457580), (1020, 1263236), (1040, 1238943), (1105, 1166064), (1156, 1114620), (1326, 971720), (1360, 947427), (1429, 901680), (1445, 891696), (1560, 825962), (1734, 743080), (1768, 728790), (2040, 631618), (2210, 583032), (2312, 557310), (2652, 485860), (2858, 450840), (2890, 445848), (3120, 412981), (3315, 388688), (3468, 371540), (3536, 364395), (3757, 342960), (4080, 315809), (4287, 300560), (4335, 297232), (4420, 291516), (4624, 278655), (5304, 242930), (5716, 225420), (5780, 222924), (6630, 194344), (6936, 185770), (7145, 180336), (7514, 171480), (8574, 150280), (8670, 148616), (8840, 145758), (10608, 121465), (11271, 114320), (11432, 112710), (11560, 111462), (13260, 97172), (13872, 92885), (14290, 90168), (15028, 85740), (17148, 75140), (17340, 74308), (17680, 72879), (18577, 69360), (18785, 68592), (21435, 60112), (22542, 57160), (22864, 56355), (23120, 55731), (24293, 53040), (26520, 48586), (28580, 45084), (30056, 42870), (34296, 37570), (34680, 37154)]