206722880

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1$

素因数の和:297

約数の個数: 224

約数和(自身を含む): 628131840

約数和(自身を除く): 421408960

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 32, 35, 40, 52, 56, 62, 64, 65, 70, 80, 91, 104, 112, 124, 130, 140, 155, 160, 182, 208, 217, 224, 229, 248, 260, 280, 310, 320, 364, 403, 416, 434, 448, 455, 458, 496, 520, 560, 620, 728, 806, 832, 868, 910, 916, 992, 1040, 1085, 1120, 1145, 1240, 1456, 1603, 1612, 1736, 1820, 1832, 1984, 2015, 2080, 2170, 2240, 2290, 2480, 2821, 2912, 2977, 3206, 3224, 3472, 3640, 3664, 4030, 4160, 4340, 4580, 4960, 5642, 5824, 5954, 6412, 6448, 6944, 7099, 7280, 7328, 8015, 8060, 8680, 9160, 9920, 11284, 11908, 12824, 12896, 13888, 14105, 14198, 14560, 14656, 14885, 16030, 16120, 17360, 18320, 20839, 22568, 23816, 25648, 25792, 28210, 28396, 29120, 29770, 32060, 32240, 34720, 35495, 36640, 41678, 45136, 47632, 49693, 51296, 56420, 56792, 59540, 64120, 64480, 69440, 70990, 73280, 83356, 90272, 92287, 95264, 99386, 102592, 104195, 112840, 113584, 119080, 128240, 128960, 141980, 166712, 180544, 184574, 190528, 198772, 208390, 225680, 227168, 238160, 248465, 256480, 283960, 333424, 369148, 397544, 416780, 451360, 454336, 461435, 476320, 496930, 512960, 567920, 646009, 666848, 738296, 795088, 833560, 902720, 922870, 952640, 993860, 1135840, 1292018, 1333696, 1476592, 1590176, 1667120, 1845740, 1987720, 2271680, 2584036, 2953184, 3180352, 3230045, 3334240, 3691480, 3975440, 5168072, 5906368, 6460090, 6668480, 7382960, 7950880, 10336144, 12920180, 14765920, 15901760, 20672288, 25840360, 29531840, 41344576, 51680720, 103361440, 206722880]

約数ペア:

[(1, 206722880), (2, 103361440), (4, 51680720), (5, 41344576), (7, 29531840), (8, 25840360), (10, 20672288), (13, 15901760), (14, 14765920), (16, 12920180), (20, 10336144), (26, 7950880), (28, 7382960), (31, 6668480), (32, 6460090), (35, 5906368), (40, 5168072), (52, 3975440), (56, 3691480), (62, 3334240), (64, 3230045), (65, 3180352), (70, 2953184), (80, 2584036), (91, 2271680), (104, 1987720), (112, 1845740), (124, 1667120), (130, 1590176), (140, 1476592), (155, 1333696), (160, 1292018), (182, 1135840), (208, 993860), (217, 952640), (224, 922870), (229, 902720), (248, 833560), (260, 795088), (280, 738296), (310, 666848), (320, 646009), (364, 567920), (403, 512960), (416, 496930), (434, 476320), (448, 461435), (455, 454336), (458, 451360), (496, 416780), (520, 397544), (560, 369148), (620, 333424), (728, 283960), (806, 256480), (832, 248465), (868, 238160), (910, 227168), (916, 225680), (992, 208390), (1040, 198772), (1085, 190528), (1120, 184574), (1145, 180544), (1240, 166712), (1456, 141980), (1603, 128960), (1612, 128240), (1736, 119080), (1820, 113584), (1832, 112840), (1984, 104195), (2015, 102592), (2080, 99386), (2170, 95264), (2240, 92287), (2290, 90272), (2480, 83356), (2821, 73280), (2912, 70990), (2977, 69440), (3206, 64480), (3224, 64120), (3472, 59540), (3640, 56792), (3664, 56420), (4030, 51296), (4160, 49693), (4340, 47632), (4580, 45136), (4960, 41678), (5642, 36640), (5824, 35495), (5954, 34720), (6412, 32240), (6448, 32060), (6944, 29770), (7099, 29120), (7280, 28396), (7328, 28210), (8015, 25792), (8060, 25648), (8680, 23816), (9160, 22568), (9920, 20839), (11284, 18320), (11908, 17360), (12824, 16120), (12896, 16030), (13888, 14885), (14105, 14656), (14198, 14560)]