256605480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1823}}^1$

素因数の和:1880

約数の個数: 192

約数和(自身を含む): 921922560

約数和(自身を除く): 665317080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 23, 24, 30, 34, 36, 40, 45, 46, 51, 60, 68, 69, 72, 85, 90, 92, 102, 115, 120, 136, 138, 153, 170, 180, 184, 204, 207, 230, 255, 276, 306, 340, 345, 360, 391, 408, 414, 460, 510, 552, 612, 680, 690, 765, 782, 828, 920, 1020, 1035, 1173, 1224, 1380, 1530, 1564, 1656, 1823, 1955, 2040, 2070, 2346, 2760, 3060, 3128, 3519, 3646, 3910, 4140, 4692, 5469, 5865, 6120, 7038, 7292, 7820, 8280, 9115, 9384, 10938, 11730, 14076, 14584, 15640, 16407, 17595, 18230, 21876, 23460, 27345, 28152, 30991, 32814, 35190, 36460, 41929, 43752, 46920, 54690, 61982, 65628, 70380, 72920, 82035, 83858, 92973, 109380, 123964, 125787, 131256, 140760, 154955, 164070, 167716, 185946, 209645, 218760, 247928, 251574, 278919, 309910, 328140, 335432, 371892, 377361, 419290, 464865, 503148, 557838, 619820, 628935, 656280, 712793, 743784, 754722, 838580, 929730, 1006296, 1115676, 1239640, 1257870, 1394595, 1425586, 1509444, 1677160, 1859460, 1886805, 2138379, 2231352, 2515740, 2789190, 2851172, 3018888, 3563965, 3718920, 3773610, 4276758, 5031480, 5578380, 5702344, 6415137, 7127930, 7547220, 8553516, 10691895, 11156760, 12830274, 14255860, 15094440, 17107032, 21383790, 25660548, 28511720, 32075685, 42767580, 51321096, 64151370, 85535160, 128302740, 256605480]

約数ペア:

[(1, 256605480), (2, 128302740), (3, 85535160), (4, 64151370), (5, 51321096), (6, 42767580), (8, 32075685), (9, 28511720), (10, 25660548), (12, 21383790), (15, 17107032), (17, 15094440), (18, 14255860), (20, 12830274), (23, 11156760), (24, 10691895), (30, 8553516), (34, 7547220), (36, 7127930), (40, 6415137), (45, 5702344), (46, 5578380), (51, 5031480), (60, 4276758), (68, 3773610), (69, 3718920), (72, 3563965), (85, 3018888), (90, 2851172), (92, 2789190), (102, 2515740), (115, 2231352), (120, 2138379), (136, 1886805), (138, 1859460), (153, 1677160), (170, 1509444), (180, 1425586), (184, 1394595), (204, 1257870), (207, 1239640), (230, 1115676), (255, 1006296), (276, 929730), (306, 838580), (340, 754722), (345, 743784), (360, 712793), (391, 656280), (408, 628935), (414, 619820), (460, 557838), (510, 503148), (552, 464865), (612, 419290), (680, 377361), (690, 371892), (765, 335432), (782, 328140), (828, 309910), (920, 278919), (1020, 251574), (1035, 247928), (1173, 218760), (1224, 209645), (1380, 185946), (1530, 167716), (1564, 164070), (1656, 154955), (1823, 140760), (1955, 131256), (2040, 125787), (2070, 123964), (2346, 109380), (2760, 92973), (3060, 83858), (3128, 82035), (3519, 72920), (3646, 70380), (3910, 65628), (4140, 61982), (4692, 54690), (5469, 46920), (5865, 43752), (6120, 41929), (7038, 36460), (7292, 35190), (7820, 32814), (8280, 30991), (9115, 28152), (9384, 27345), (10938, 23460), (11730, 21876), (14076, 18230), (14584, 17595), (15640, 16407)]