254815680

素因数分解:

$2^6\times 3^1\times 5^1\times 7^2\times {\mathrm{5417}}^1$

素因数の和:5451

約数の個数: 168

約数和(自身を含む): 941301648

約数和(自身を除く): 686485968

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 280, 294, 320, 336, 392, 420, 448, 480, 490, 560, 588, 672, 735, 784, 840, 960, 980, 1120, 1176, 1344, 1470, 1568, 1680, 1960, 2240, 2352, 2940, 3136, 3360, 3920, 4704, 5417, 5880, 6720, 7840, 9408, 10834, 11760, 15680, 16251, 21668, 23520, 27085, 32502, 37919, 43336, 47040, 54170, 65004, 75838, 81255, 86672, 108340, 113757, 130008, 151676, 162510, 173344, 189595, 216680, 227514, 260016, 265433, 303352, 325020, 346688, 379190, 433360, 455028, 520032, 530866, 568785, 606704, 650040, 758380, 796299, 866720, 910056, 1040064, 1061732, 1137570, 1213408, 1300080, 1327165, 1516760, 1592598, 1733440, 1820112, 2123464, 2275140, 2426816, 2600160, 2654330, 3033520, 3185196, 3640224, 3981495, 4246928, 4550280, 5200320, 5308660, 6067040, 6370392, 7280448, 7962990, 8493856, 9100560, 10617320, 12134080, 12740784, 15925980, 16987712, 18201120, 21234640, 25481568, 31851960, 36402240, 42469280, 50963136, 63703920, 84938560, 127407840, 254815680]

約数ペア:

[(1, 254815680), (2, 127407840), (3, 84938560), (4, 63703920), (5, 50963136), (6, 42469280), (7, 36402240), (8, 31851960), (10, 25481568), (12, 21234640), (14, 18201120), (15, 16987712), (16, 15925980), (20, 12740784), (21, 12134080), (24, 10617320), (28, 9100560), (30, 8493856), (32, 7962990), (35, 7280448), (40, 6370392), (42, 6067040), (48, 5308660), (49, 5200320), (56, 4550280), (60, 4246928), (64, 3981495), (70, 3640224), (80, 3185196), (84, 3033520), (96, 2654330), (98, 2600160), (105, 2426816), (112, 2275140), (120, 2123464), (140, 1820112), (147, 1733440), (160, 1592598), (168, 1516760), (192, 1327165), (196, 1300080), (210, 1213408), (224, 1137570), (240, 1061732), (245, 1040064), (280, 910056), (294, 866720), (320, 796299), (336, 758380), (392, 650040), (420, 606704), (448, 568785), (480, 530866), (490, 520032), (560, 455028), (588, 433360), (672, 379190), (735, 346688), (784, 325020), (840, 303352), (960, 265433), (980, 260016), (1120, 227514), (1176, 216680), (1344, 189595), (1470, 173344), (1568, 162510), (1680, 151676), (1960, 130008), (2240, 113757), (2352, 108340), (2940, 86672), (3136, 81255), (3360, 75838), (3920, 65004), (4704, 54170), (5417, 47040), (5880, 43336), (6720, 37919), (7840, 32502), (9408, 27085), (10834, 23520), (11760, 21668), (15680, 16251)]