219989520

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1997}}^1$

素因数の和:2039

約数の個数: 200

約数和(自身を含む): 809405784

約数和(自身を除く): 589416264

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 34, 36, 40, 45, 48, 51, 54, 60, 68, 72, 80, 81, 85, 90, 102, 108, 120, 135, 136, 144, 153, 162, 170, 180, 204, 216, 240, 255, 270, 272, 306, 324, 340, 360, 405, 408, 432, 459, 510, 540, 612, 648, 680, 720, 765, 810, 816, 918, 1020, 1080, 1224, 1296, 1360, 1377, 1530, 1620, 1836, 1997, 2040, 2160, 2295, 2448, 2754, 3060, 3240, 3672, 3994, 4080, 4590, 5508, 5991, 6120, 6480, 6885, 7344, 7988, 9180, 9985, 11016, 11982, 12240, 13770, 15976, 17973, 18360, 19970, 22032, 23964, 27540, 29955, 31952, 33949, 35946, 36720, 39940, 47928, 53919, 55080, 59910, 67898, 71892, 79880, 89865, 95856, 101847, 107838, 110160, 119820, 135796, 143784, 159760, 161757, 169745, 179730, 203694, 215676, 239640, 269595, 271592, 287568, 305541, 323514, 339490, 359460, 407388, 431352, 479280, 509235, 539190, 543184, 611082, 647028, 678980, 718920, 808785, 814776, 862704, 916623, 1018470, 1078380, 1222164, 1294056, 1357960, 1437840, 1527705, 1617570, 1629552, 1833246, 2036940, 2156760, 2444328, 2588112, 2715920, 2749869, 3055410, 3235140, 3666492, 4073880, 4313520, 4583115, 4888656, 5499738, 6110820, 6470280, 7332984, 8147760, 9166230, 10999476, 12221640, 12940560, 13749345, 14665968, 18332460, 21998952, 24443280, 27498690, 36664920, 43997904, 54997380, 73329840, 109994760, 219989520]

約数ペア:

[(1, 219989520), (2, 109994760), (3, 73329840), (4, 54997380), (5, 43997904), (6, 36664920), (8, 27498690), (9, 24443280), (10, 21998952), (12, 18332460), (15, 14665968), (16, 13749345), (17, 12940560), (18, 12221640), (20, 10999476), (24, 9166230), (27, 8147760), (30, 7332984), (34, 6470280), (36, 6110820), (40, 5499738), (45, 4888656), (48, 4583115), (51, 4313520), (54, 4073880), (60, 3666492), (68, 3235140), (72, 3055410), (80, 2749869), (81, 2715920), (85, 2588112), (90, 2444328), (102, 2156760), (108, 2036940), (120, 1833246), (135, 1629552), (136, 1617570), (144, 1527705), (153, 1437840), (162, 1357960), (170, 1294056), (180, 1222164), (204, 1078380), (216, 1018470), (240, 916623), (255, 862704), (270, 814776), (272, 808785), (306, 718920), (324, 678980), (340, 647028), (360, 611082), (405, 543184), (408, 539190), (432, 509235), (459, 479280), (510, 431352), (540, 407388), (612, 359460), (648, 339490), (680, 323514), (720, 305541), (765, 287568), (810, 271592), (816, 269595), (918, 239640), (1020, 215676), (1080, 203694), (1224, 179730), (1296, 169745), (1360, 161757), (1377, 159760), (1530, 143784), (1620, 135796), (1836, 119820), (1997, 110160), (2040, 107838), (2160, 101847), (2295, 95856), (2448, 89865), (2754, 79880), (3060, 71892), (3240, 67898), (3672, 59910), (3994, 55080), (4080, 53919), (4590, 47928), (5508, 39940), (5991, 36720), (6120, 35946), (6480, 33949), (6885, 31952), (7344, 29955), (7988, 27540), (9180, 23964), (9985, 22032), (11016, 19970), (11982, 18360), (12240, 17973), (13770, 15976)]