260321880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{769}}^1$

素因数の和:834

約数の個数: 256

約数和(自身を含む): 993484800

約数和(自身を除く): 733162920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 31, 35, 39, 40, 42, 52, 56, 60, 62, 65, 70, 78, 84, 91, 93, 104, 105, 120, 124, 130, 140, 155, 156, 168, 182, 186, 195, 210, 217, 248, 260, 273, 280, 310, 312, 364, 372, 390, 403, 420, 434, 455, 465, 520, 546, 620, 651, 728, 744, 769, 780, 806, 840, 868, 910, 930, 1085, 1092, 1209, 1240, 1302, 1365, 1538, 1560, 1612, 1736, 1820, 1860, 2015, 2170, 2184, 2307, 2418, 2604, 2730, 2821, 3076, 3224, 3255, 3640, 3720, 3845, 4030, 4340, 4614, 4836, 5208, 5383, 5460, 5642, 6045, 6152, 6510, 7690, 8060, 8463, 8680, 9228, 9672, 9997, 10766, 10920, 11284, 11535, 12090, 13020, 14105, 15380, 16120, 16149, 16926, 18456, 19994, 21532, 22568, 23070, 23839, 24180, 26040, 26915, 28210, 29991, 30760, 32298, 33852, 39988, 42315, 43064, 46140, 47678, 48360, 49985, 53830, 56420, 59982, 64596, 67704, 69979, 71517, 79976, 80745, 84630, 92280, 95356, 99970, 107660, 112840, 119195, 119964, 129192, 139958, 143034, 149955, 161490, 166873, 169260, 190712, 199940, 209937, 215320, 238390, 239928, 279916, 286068, 299910, 309907, 322980, 333746, 338520, 349895, 357585, 399880, 419874, 476780, 500619, 559832, 572136, 599820, 619814, 645960, 667492, 699790, 715170, 834365, 839748, 929721, 953560, 1001238, 1049685, 1199640, 1239628, 1334984, 1399580, 1430340, 1549535, 1668730, 1679496, 1859442, 2002476, 2099370, 2169349, 2479256, 2503095, 2799160, 2860680, 3099070, 3337460, 3718884, 4004952, 4198740, 4338698, 4648605, 5006190, 6198140, 6508047, 6674920, 7437768, 8397480, 8677396, 9297210, 10012380, 10846745, 12396280, 13016094, 17354792, 18594420, 20024760, 21693490, 26032188, 32540235, 37188840, 43386980, 52064376, 65080470, 86773960, 130160940, 260321880]

約数ペア:

[(1, 260321880), (2, 130160940), (3, 86773960), (4, 65080470), (5, 52064376), (6, 43386980), (7, 37188840), (8, 32540235), (10, 26032188), (12, 21693490), (13, 20024760), (14, 18594420), (15, 17354792), (20, 13016094), (21, 12396280), (24, 10846745), (26, 10012380), (28, 9297210), (30, 8677396), (31, 8397480), (35, 7437768), (39, 6674920), (40, 6508047), (42, 6198140), (52, 5006190), (56, 4648605), (60, 4338698), (62, 4198740), (65, 4004952), (70, 3718884), (78, 3337460), (84, 3099070), (91, 2860680), (93, 2799160), (104, 2503095), (105, 2479256), (120, 2169349), (124, 2099370), (130, 2002476), (140, 1859442), (155, 1679496), (156, 1668730), (168, 1549535), (182, 1430340), (186, 1399580), (195, 1334984), (210, 1239628), (217, 1199640), (248, 1049685), (260, 1001238), (273, 953560), (280, 929721), (310, 839748), (312, 834365), (364, 715170), (372, 699790), (390, 667492), (403, 645960), (420, 619814), (434, 599820), (455, 572136), (465, 559832), (520, 500619), (546, 476780), (620, 419874), (651, 399880), (728, 357585), (744, 349895), (769, 338520), (780, 333746), (806, 322980), (840, 309907), (868, 299910), (910, 286068), (930, 279916), (1085, 239928), (1092, 238390), (1209, 215320), (1240, 209937), (1302, 199940), (1365, 190712), (1538, 169260), (1560, 166873), (1612, 161490), (1736, 149955), (1820, 143034), (1860, 139958), (2015, 129192), (2170, 119964), (2184, 119195), (2307, 112840), (2418, 107660), (2604, 99970), (2730, 95356), (2821, 92280), (3076, 84630), (3224, 80745), (3255, 79976), (3640, 71517), (3720, 69979), (3845, 67704), (4030, 64596), (4340, 59982), (4614, 56420), (4836, 53830), (5208, 49985), (5383, 48360), (5460, 47678), (5642, 46140), (6045, 43064), (6152, 42315), (6510, 39988), (7690, 33852), (8060, 32298), (8463, 30760), (8680, 29991), (9228, 28210), (9672, 26915), (9997, 26040), (10766, 24180), (10920, 23839), (11284, 23070), (11535, 22568), (12090, 21532), (13020, 19994), (14105, 18456), (15380, 16926), (16120, 16149)]