251657120

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{647}}^1$

素因数の和:703

約数の個数: 192

約数和(自身を含む): 740710656

約数和(自身を除く): 489053536

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 17, 20, 22, 26, 32, 34, 40, 44, 52, 55, 65, 68, 80, 85, 88, 104, 110, 130, 136, 143, 160, 170, 176, 187, 208, 220, 221, 260, 272, 286, 340, 352, 374, 416, 440, 442, 520, 544, 572, 647, 680, 715, 748, 880, 884, 935, 1040, 1105, 1144, 1294, 1360, 1430, 1496, 1760, 1768, 1870, 2080, 2210, 2288, 2431, 2588, 2720, 2860, 2992, 3235, 3536, 3740, 4420, 4576, 4862, 5176, 5720, 5984, 6470, 7072, 7117, 7480, 8411, 8840, 9724, 10352, 10999, 11440, 12155, 12940, 14234, 14960, 16822, 17680, 19448, 20704, 21998, 22880, 24310, 25880, 28468, 29920, 33644, 35360, 35585, 38896, 42055, 43996, 48620, 51760, 54995, 56936, 67288, 71170, 77792, 84110, 87992, 92521, 97240, 103520, 109990, 113872, 120989, 134576, 142340, 142987, 168220, 175984, 185042, 194480, 219980, 227744, 241978, 269152, 284680, 285974, 336440, 351968, 370084, 388960, 439960, 462605, 483956, 569360, 571948, 604945, 672880, 714935, 740168, 879920, 925210, 967912, 1138720, 1143896, 1209890, 1345760, 1429870, 1480336, 1572857, 1759840, 1850420, 1935824, 2287792, 2419780, 2859740, 2960672, 3145714, 3700840, 3871648, 4575584, 4839560, 5719480, 6291428, 7401680, 7864285, 9679120, 11438960, 12582856, 14803360, 15728570, 19358240, 22877920, 25165712, 31457140, 50331424, 62914280, 125828560, 251657120]

約数ペア:

[(1, 251657120), (2, 125828560), (4, 62914280), (5, 50331424), (8, 31457140), (10, 25165712), (11, 22877920), (13, 19358240), (16, 15728570), (17, 14803360), (20, 12582856), (22, 11438960), (26, 9679120), (32, 7864285), (34, 7401680), (40, 6291428), (44, 5719480), (52, 4839560), (55, 4575584), (65, 3871648), (68, 3700840), (80, 3145714), (85, 2960672), (88, 2859740), (104, 2419780), (110, 2287792), (130, 1935824), (136, 1850420), (143, 1759840), (160, 1572857), (170, 1480336), (176, 1429870), (187, 1345760), (208, 1209890), (220, 1143896), (221, 1138720), (260, 967912), (272, 925210), (286, 879920), (340, 740168), (352, 714935), (374, 672880), (416, 604945), (440, 571948), (442, 569360), (520, 483956), (544, 462605), (572, 439960), (647, 388960), (680, 370084), (715, 351968), (748, 336440), (880, 285974), (884, 284680), (935, 269152), (1040, 241978), (1105, 227744), (1144, 219980), (1294, 194480), (1360, 185042), (1430, 175984), (1496, 168220), (1760, 142987), (1768, 142340), (1870, 134576), (2080, 120989), (2210, 113872), (2288, 109990), (2431, 103520), (2588, 97240), (2720, 92521), (2860, 87992), (2992, 84110), (3235, 77792), (3536, 71170), (3740, 67288), (4420, 56936), (4576, 54995), (4862, 51760), (5176, 48620), (5720, 43996), (5984, 42055), (6470, 38896), (7072, 35585), (7117, 35360), (7480, 33644), (8411, 29920), (8840, 28468), (9724, 25880), (10352, 24310), (10999, 22880), (11440, 21998), (12155, 20704), (12940, 19448), (14234, 17680), (14960, 16822)]