421254960

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{317}}^1$

素因数の和:460

約数の個数: 240

約数和(自身を含む): 1537374816

約数和(自身を除く): 1116119856

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 113, 120, 140, 147, 168, 196, 210, 226, 240, 245, 280, 294, 317, 336, 339, 392, 420, 452, 490, 560, 565, 588, 634, 678, 735, 784, 791, 840, 904, 951, 980, 1130, 1176, 1268, 1356, 1470, 1582, 1585, 1680, 1695, 1808, 1902, 1960, 2219, 2260, 2352, 2373, 2536, 2712, 2940, 3164, 3170, 3390, 3804, 3920, 3955, 4438, 4520, 4746, 4755, 5072, 5424, 5537, 5880, 6328, 6340, 6657, 6780, 7608, 7910, 8876, 9040, 9492, 9510, 11074, 11095, 11760, 11865, 12656, 12680, 13314, 13560, 15216, 15533, 15820, 16611, 17752, 18984, 19020, 22148, 22190, 23730, 25360, 26628, 27120, 27685, 31066, 31640, 33222, 33285, 35504, 35821, 37968, 38040, 44296, 44380, 46599, 47460, 53256, 55370, 62132, 63280, 66444, 66570, 71642, 76080, 77665, 83055, 88592, 88760, 93198, 94920, 106512, 107463, 110740, 124264, 132888, 133140, 143284, 155330, 166110, 177520, 179105, 186396, 189840, 214926, 221480, 232995, 248528, 250747, 265776, 266280, 286568, 310660, 332220, 358210, 372792, 429852, 442960, 465990, 501494, 532560, 537315, 573136, 621320, 664440, 716420, 745584, 752241, 859704, 931980, 1002988, 1074630, 1242640, 1253735, 1328880, 1432840, 1504482, 1719408, 1755229, 1863960, 2005976, 2149260, 2507470, 2865680, 3008964, 3510458, 3727920, 3761205, 4011952, 4298520, 5014940, 5265687, 6017928, 7020916, 7522410, 8597040, 8776145, 10029880, 10531374, 12035856, 14041832, 15044820, 17552290, 20059760, 21062748, 26328435, 28083664, 30089640, 35104580, 42125496, 52656870, 60179280, 70209160, 84250992, 105313740, 140418320, 210627480, 421254960]

約数ペア:

[(1, 421254960), (2, 210627480), (3, 140418320), (4, 105313740), (5, 84250992), (6, 70209160), (7, 60179280), (8, 52656870), (10, 42125496), (12, 35104580), (14, 30089640), (15, 28083664), (16, 26328435), (20, 21062748), (21, 20059760), (24, 17552290), (28, 15044820), (30, 14041832), (35, 12035856), (40, 10531374), (42, 10029880), (48, 8776145), (49, 8597040), (56, 7522410), (60, 7020916), (70, 6017928), (80, 5265687), (84, 5014940), (98, 4298520), (105, 4011952), (112, 3761205), (113, 3727920), (120, 3510458), (140, 3008964), (147, 2865680), (168, 2507470), (196, 2149260), (210, 2005976), (226, 1863960), (240, 1755229), (245, 1719408), (280, 1504482), (294, 1432840), (317, 1328880), (336, 1253735), (339, 1242640), (392, 1074630), (420, 1002988), (452, 931980), (490, 859704), (560, 752241), (565, 745584), (588, 716420), (634, 664440), (678, 621320), (735, 573136), (784, 537315), (791, 532560), (840, 501494), (904, 465990), (951, 442960), (980, 429852), (1130, 372792), (1176, 358210), (1268, 332220), (1356, 310660), (1470, 286568), (1582, 266280), (1585, 265776), (1680, 250747), (1695, 248528), (1808, 232995), (1902, 221480), (1960, 214926), (2219, 189840), (2260, 186396), (2352, 179105), (2373, 177520), (2536, 166110), (2712, 155330), (2940, 143284), (3164, 133140), (3170, 132888), (3390, 124264), (3804, 110740), (3920, 107463), (3955, 106512), (4438, 94920), (4520, 93198), (4746, 88760), (4755, 88592), (5072, 83055), (5424, 77665), (5537, 76080), (5880, 71642), (6328, 66570), (6340, 66444), (6657, 63280), (6780, 62132), (7608, 55370), (7910, 53256), (8876, 47460), (9040, 46599), (9492, 44380), (9510, 44296), (11074, 38040), (11095, 37968), (11760, 35821), (11865, 35504), (12656, 33285), (12680, 33222), (13314, 31640), (13560, 31066), (15216, 27685), (15533, 27120), (15820, 26628), (16611, 25360), (17752, 23730), (18984, 22190), (19020, 22148)]