257441053860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{197}}^2\times {\mathrm{269}}^1$

素因数の和:815

約数の個数: 216

約数和(自身を含む): 793556847720

約数和(自身を除く): 536115793860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 137, 180, 197, 269, 274, 394, 411, 538, 548, 591, 685, 788, 807, 822, 985, 1076, 1182, 1233, 1345, 1370, 1614, 1644, 1773, 1970, 2055, 2364, 2421, 2466, 2690, 2740, 2955, 3228, 3546, 3940, 4035, 4110, 4842, 4932, 5380, 5910, 6165, 7092, 8070, 8220, 8865, 9684, 11820, 12105, 12330, 16140, 17730, 24210, 24660, 26989, 35460, 36853, 38809, 48420, 52993, 53978, 73706, 77618, 80967, 105986, 107956, 110559, 116427, 134945, 147412, 155236, 158979, 161934, 184265, 194045, 211972, 221118, 232854, 242901, 264965, 269890, 317958, 323868, 331677, 349281, 368530, 388090, 404835, 442236, 465708, 476937, 485802, 529930, 539780, 552795, 582135, 635916, 663354, 698562, 737060, 776180, 794895, 809670, 953874, 971604, 1059860, 1105590, 1164270, 1214505, 1326708, 1397124, 1589790, 1619340, 1658385, 1746405, 1907748, 2211180, 2328540, 2384685, 2429010, 3179580, 3316770, 3492810, 4769370, 4858020, 5316833, 6633540, 6985620, 7260041, 9538740, 10439621, 10633666, 14520082, 15950499, 20879242, 21267332, 21780123, 26584165, 29040164, 31318863, 31900998, 36300205, 41758484, 43560246, 47851497, 52198105, 53168330, 62637726, 63801996, 65340369, 72600410, 79752495, 87120492, 93956589, 95702994, 104396210, 106336660, 108900615, 125275452, 130680738, 145200820, 156594315, 159504990, 187913178, 191405988, 208792420, 217801230, 239257485, 261361476, 313188630, 319009980, 326701845, 375826356, 435602460, 469782945, 478514970, 626377260, 653403690, 939565890, 957029940, 1306807380, 1430228077, 1879131780, 2860456154, 4290684231, 5720912308, 7151140385, 8581368462, 12872052693, 14302280770, 17162736924, 21453421155, 25744105386, 28604561540, 42906842310, 51488210772, 64360263465, 85813684620, 128720526930, 257441053860]

約数ペア:

[(1, 257441053860), (2, 128720526930), (3, 85813684620), (4, 64360263465), (5, 51488210772), (6, 42906842310), (9, 28604561540), (10, 25744105386), (12, 21453421155), (15, 17162736924), (18, 14302280770), (20, 12872052693), (30, 8581368462), (36, 7151140385), (45, 5720912308), (60, 4290684231), (90, 2860456154), (137, 1879131780), (180, 1430228077), (197, 1306807380), (269, 957029940), (274, 939565890), (394, 653403690), (411, 626377260), (538, 478514970), (548, 469782945), (591, 435602460), (685, 375826356), (788, 326701845), (807, 319009980), (822, 313188630), (985, 261361476), (1076, 239257485), (1182, 217801230), (1233, 208792420), (1345, 191405988), (1370, 187913178), (1614, 159504990), (1644, 156594315), (1773, 145200820), (1970, 130680738), (2055, 125275452), (2364, 108900615), (2421, 106336660), (2466, 104396210), (2690, 95702994), (2740, 93956589), (2955, 87120492), (3228, 79752495), (3546, 72600410), (3940, 65340369), (4035, 63801996), (4110, 62637726), (4842, 53168330), (4932, 52198105), (5380, 47851497), (5910, 43560246), (6165, 41758484), (7092, 36300205), (8070, 31900998), (8220, 31318863), (8865, 29040164), (9684, 26584165), (11820, 21780123), (12105, 21267332), (12330, 20879242), (16140, 15950499), (17730, 14520082), (24210, 10633666), (24660, 10439621), (26989, 9538740), (35460, 7260041), (36853, 6985620), (38809, 6633540), (48420, 5316833), (52993, 4858020), (53978, 4769370), (73706, 3492810), (77618, 3316770), (80967, 3179580), (105986, 2429010), (107956, 2384685), (110559, 2328540), (116427, 2211180), (134945, 1907748), (147412, 1746405), (155236, 1658385), (158979, 1619340), (161934, 1589790), (184265, 1397124), (194045, 1326708), (211972, 1214505), (221118, 1164270), (232854, 1105590), (242901, 1059860), (264965, 971604), (269890, 953874), (317958, 809670), (323868, 794895), (331677, 776180), (349281, 737060), (368530, 698562), (388090, 663354), (404835, 635916), (442236, 582135), (465708, 552795), (476937, 539780), (485802, 529930)]