281197280

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:162

約数の個数: 288

約数和(自身を含む): 868734720

約数和(自身を除く): 587537440

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 32, 35, 40, 49, 52, 56, 62, 65, 70, 80, 89, 91, 98, 104, 112, 124, 130, 140, 155, 160, 178, 182, 196, 208, 217, 224, 245, 248, 260, 280, 310, 356, 364, 392, 403, 416, 434, 445, 455, 490, 496, 520, 560, 620, 623, 637, 712, 728, 784, 806, 868, 890, 910, 980, 992, 1040, 1085, 1120, 1157, 1240, 1246, 1274, 1424, 1456, 1519, 1568, 1612, 1736, 1780, 1820, 1960, 2015, 2080, 2170, 2314, 2480, 2492, 2548, 2759, 2821, 2848, 2912, 3038, 3115, 3185, 3224, 3472, 3560, 3640, 3920, 4030, 4340, 4361, 4628, 4960, 4984, 5096, 5518, 5642, 5785, 6076, 6230, 6370, 6448, 6944, 7120, 7280, 7595, 7840, 8060, 8099, 8680, 8722, 9256, 9968, 10192, 11036, 11284, 11570, 12152, 12460, 12740, 12896, 13795, 14105, 14240, 14560, 15190, 16120, 16198, 17360, 17444, 18512, 19313, 19747, 19936, 20384, 21805, 22072, 22568, 23140, 24304, 24920, 25480, 27590, 28210, 30380, 32240, 32396, 34720, 34888, 35867, 37024, 38626, 39494, 40495, 43610, 44144, 45136, 46280, 48608, 49840, 50960, 55180, 56420, 56693, 60760, 64480, 64792, 69776, 71734, 77252, 78988, 80990, 87220, 88288, 90272, 92560, 96565, 98735, 99680, 101920, 110360, 112840, 113386, 121520, 129584, 135191, 139552, 143468, 154504, 157976, 161980, 174440, 179335, 185120, 193130, 197470, 220720, 225680, 226772, 243040, 251069, 259168, 270382, 283465, 286936, 309008, 315952, 323960, 348880, 358670, 386260, 394940, 441440, 451360, 453544, 502138, 540764, 566930, 573872, 618016, 631904, 647920, 675955, 697760, 717340, 772520, 789880, 907088, 1004276, 1081528, 1133860, 1147744, 1255345, 1295840, 1351910, 1434680, 1545040, 1579760, 1757483, 1814176, 2008552, 2163056, 2267720, 2510690, 2703820, 2869360, 3090080, 3159520, 3514966, 4017104, 4326112, 4535440, 5021380, 5407640, 5738720, 7029932, 8034208, 8787415, 9070880, 10042760, 10815280, 14059864, 17574830, 20085520, 21630560, 28119728, 35149660, 40171040, 56239456, 70299320, 140598640, 281197280]

約数ペア:

[(1, 281197280), (2, 140598640), (4, 70299320), (5, 56239456), (7, 40171040), (8, 35149660), (10, 28119728), (13, 21630560), (14, 20085520), (16, 17574830), (20, 14059864), (26, 10815280), (28, 10042760), (31, 9070880), (32, 8787415), (35, 8034208), (40, 7029932), (49, 5738720), (52, 5407640), (56, 5021380), (62, 4535440), (65, 4326112), (70, 4017104), (80, 3514966), (89, 3159520), (91, 3090080), (98, 2869360), (104, 2703820), (112, 2510690), (124, 2267720), (130, 2163056), (140, 2008552), (155, 1814176), (160, 1757483), (178, 1579760), (182, 1545040), (196, 1434680), (208, 1351910), (217, 1295840), (224, 1255345), (245, 1147744), (248, 1133860), (260, 1081528), (280, 1004276), (310, 907088), (356, 789880), (364, 772520), (392, 717340), (403, 697760), (416, 675955), (434, 647920), (445, 631904), (455, 618016), (490, 573872), (496, 566930), (520, 540764), (560, 502138), (620, 453544), (623, 451360), (637, 441440), (712, 394940), (728, 386260), (784, 358670), (806, 348880), (868, 323960), (890, 315952), (910, 309008), (980, 286936), (992, 283465), (1040, 270382), (1085, 259168), (1120, 251069), (1157, 243040), (1240, 226772), (1246, 225680), (1274, 220720), (1424, 197470), (1456, 193130), (1519, 185120), (1568, 179335), (1612, 174440), (1736, 161980), (1780, 157976), (1820, 154504), (1960, 143468), (2015, 139552), (2080, 135191), (2170, 129584), (2314, 121520), (2480, 113386), (2492, 112840), (2548, 110360), (2759, 101920), (2821, 99680), (2848, 98735), (2912, 96565), (3038, 92560), (3115, 90272), (3185, 88288), (3224, 87220), (3472, 80990), (3560, 78988), (3640, 77252), (3920, 71734), (4030, 69776), (4340, 64792), (4361, 64480), (4628, 60760), (4960, 56693), (4984, 56420), (5096, 55180), (5518, 50960), (5642, 49840), (5785, 48608), (6076, 46280), (6230, 45136), (6370, 44144), (6448, 43610), (6944, 40495), (7120, 39494), (7280, 38626), (7595, 37024), (7840, 35867), (8060, 34888), (8099, 34720), (8680, 32396), (8722, 32240), (9256, 30380), (9968, 28210), (10192, 27590), (11036, 25480), (11284, 24920), (11570, 24304), (12152, 23140), (12460, 22568), (12740, 22072), (12896, 21805), (13795, 20384), (14105, 19936), (14240, 19747), (14560, 19313), (15190, 18512), (16120, 17444), (16198, 17360)]