245663460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{173}}^1$

素因数の和:232

約数の個数: 288

約数和(自身を含む): 912038400

約数和(自身を除く): 666374940

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 28, 30, 35, 36, 42, 45, 46, 49, 60, 63, 69, 70, 84, 90, 92, 98, 105, 115, 126, 138, 140, 147, 161, 173, 180, 196, 207, 210, 230, 245, 252, 276, 294, 315, 322, 343, 345, 346, 414, 420, 441, 460, 483, 490, 519, 588, 630, 644, 686, 690, 692, 735, 805, 828, 865, 882, 966, 980, 1029, 1035, 1038, 1127, 1211, 1260, 1372, 1380, 1449, 1470, 1557, 1610, 1715, 1730, 1764, 1932, 2058, 2070, 2076, 2205, 2254, 2415, 2422, 2595, 2898, 2940, 3087, 3114, 3220, 3381, 3430, 3460, 3633, 3979, 4116, 4140, 4410, 4508, 4830, 4844, 5145, 5190, 5635, 5796, 6055, 6174, 6228, 6762, 6860, 7245, 7266, 7785, 7889, 7958, 8477, 8820, 9660, 10143, 10290, 10380, 10899, 11270, 11937, 12110, 12348, 13524, 14490, 14532, 15435, 15570, 15778, 15916, 16905, 16954, 18165, 19895, 20286, 20580, 21798, 22540, 23667, 23874, 24220, 25431, 27853, 28980, 30870, 31140, 31556, 33810, 33908, 35811, 36330, 39445, 39790, 40572, 42385, 43596, 47334, 47748, 50715, 50862, 54495, 55706, 59339, 59685, 61740, 67620, 71001, 71622, 72660, 76293, 78890, 79580, 83559, 84770, 94668, 101430, 101724, 108990, 111412, 118335, 118678, 119370, 127155, 139265, 142002, 143244, 152586, 157780, 167118, 169540, 178017, 179055, 194971, 202860, 217980, 236670, 237356, 238740, 250677, 254310, 278530, 284004, 296695, 305172, 334236, 355005, 356034, 358110, 381465, 389942, 417795, 473340, 501354, 508620, 534051, 557060, 584913, 593390, 710010, 712068, 716220, 762930, 779884, 835590, 890085, 974855, 1002708, 1068102, 1169826, 1186780, 1253385, 1364797, 1420020, 1525860, 1671180, 1754739, 1780170, 1949710, 2136204, 2339652, 2506770, 2670255, 2729594, 2924565, 3509478, 3560340, 3899420, 4094391, 5013540, 5340510, 5459188, 5849130, 6823985, 7018956, 8188782, 8773695, 10681020, 11698260, 12283173, 13647970, 16377564, 17547390, 20471955, 24566346, 27295940, 35094780, 40943910, 49132692, 61415865, 81887820, 122831730, 245663460]

約数ペア:

[(1, 245663460), (2, 122831730), (3, 81887820), (4, 61415865), (5, 49132692), (6, 40943910), (7, 35094780), (9, 27295940), (10, 24566346), (12, 20471955), (14, 17547390), (15, 16377564), (18, 13647970), (20, 12283173), (21, 11698260), (23, 10681020), (28, 8773695), (30, 8188782), (35, 7018956), (36, 6823985), (42, 5849130), (45, 5459188), (46, 5340510), (49, 5013540), (60, 4094391), (63, 3899420), (69, 3560340), (70, 3509478), (84, 2924565), (90, 2729594), (92, 2670255), (98, 2506770), (105, 2339652), (115, 2136204), (126, 1949710), (138, 1780170), (140, 1754739), (147, 1671180), (161, 1525860), (173, 1420020), (180, 1364797), (196, 1253385), (207, 1186780), (210, 1169826), (230, 1068102), (245, 1002708), (252, 974855), (276, 890085), (294, 835590), (315, 779884), (322, 762930), (343, 716220), (345, 712068), (346, 710010), (414, 593390), (420, 584913), (441, 557060), (460, 534051), (483, 508620), (490, 501354), (519, 473340), (588, 417795), (630, 389942), (644, 381465), (686, 358110), (690, 356034), (692, 355005), (735, 334236), (805, 305172), (828, 296695), (865, 284004), (882, 278530), (966, 254310), (980, 250677), (1029, 238740), (1035, 237356), (1038, 236670), (1127, 217980), (1211, 202860), (1260, 194971), (1372, 179055), (1380, 178017), (1449, 169540), (1470, 167118), (1557, 157780), (1610, 152586), (1715, 143244), (1730, 142002), (1764, 139265), (1932, 127155), (2058, 119370), (2070, 118678), (2076, 118335), (2205, 111412), (2254, 108990), (2415, 101724), (2422, 101430), (2595, 94668), (2898, 84770), (2940, 83559), (3087, 79580), (3114, 78890), (3220, 76293), (3381, 72660), (3430, 71622), (3460, 71001), (3633, 67620), (3979, 61740), (4116, 59685), (4140, 59339), (4410, 55706), (4508, 54495), (4830, 50862), (4844, 50715), (5145, 47748), (5190, 47334), (5635, 43596), (5796, 42385), (6055, 40572), (6174, 39790), (6228, 39445), (6762, 36330), (6860, 35811), (7245, 33908), (7266, 33810), (7785, 31556), (7889, 31140), (7958, 30870), (8477, 28980), (8820, 27853), (9660, 25431), (10143, 24220), (10290, 23874), (10380, 23667), (10899, 22540), (11270, 21798), (11937, 20580), (12110, 20286), (12348, 19895), (13524, 18165), (14490, 16954), (14532, 16905), (15435, 15916), (15570, 15778)]