65409760

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:141

約数の個数: 144

約数和(自身を含む): 174318480

約数和(自身を除く): 108908720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 41, 52, 59, 65, 80, 82, 104, 118, 130, 160, 164, 169, 205, 208, 236, 260, 295, 328, 338, 410, 416, 472, 520, 533, 590, 656, 676, 767, 820, 845, 944, 1040, 1066, 1180, 1312, 1352, 1534, 1640, 1690, 1888, 2080, 2132, 2360, 2419, 2665, 2704, 3068, 3280, 3380, 3835, 4264, 4720, 4838, 5330, 5408, 6136, 6560, 6760, 6929, 7670, 8528, 9440, 9676, 9971, 10660, 12095, 12272, 13520, 13858, 15340, 17056, 19352, 19942, 21320, 24190, 24544, 27040, 27716, 30680, 31447, 34645, 38704, 39884, 42640, 48380, 49855, 55432, 61360, 62894, 69290, 77408, 79768, 85280, 96760, 99710, 110864, 122720, 125788, 138580, 157235, 159536, 193520, 199420, 221728, 251576, 277160, 314470, 319072, 387040, 398840, 408811, 503152, 554320, 628940, 797680, 817622, 1006304, 1108640, 1257880, 1595360, 1635244, 2044055, 2515760, 3270488, 4088110, 5031520, 6540976, 8176220, 13081952, 16352440, 32704880, 65409760]

約数ペア:

[(1, 65409760), (2, 32704880), (4, 16352440), (5, 13081952), (8, 8176220), (10, 6540976), (13, 5031520), (16, 4088110), (20, 3270488), (26, 2515760), (32, 2044055), (40, 1635244), (41, 1595360), (52, 1257880), (59, 1108640), (65, 1006304), (80, 817622), (82, 797680), (104, 628940), (118, 554320), (130, 503152), (160, 408811), (164, 398840), (169, 387040), (205, 319072), (208, 314470), (236, 277160), (260, 251576), (295, 221728), (328, 199420), (338, 193520), (410, 159536), (416, 157235), (472, 138580), (520, 125788), (533, 122720), (590, 110864), (656, 99710), (676, 96760), (767, 85280), (820, 79768), (845, 77408), (944, 69290), (1040, 62894), (1066, 61360), (1180, 55432), (1312, 49855), (1352, 48380), (1534, 42640), (1640, 39884), (1690, 38704), (1888, 34645), (2080, 31447), (2132, 30680), (2360, 27716), (2419, 27040), (2665, 24544), (2704, 24190), (3068, 21320), (3280, 19942), (3380, 19352), (3835, 17056), (4264, 15340), (4720, 13858), (4838, 13520), (5330, 12272), (5408, 12095), (6136, 10660), (6560, 9971), (6760, 9676), (6929, 9440), (7670, 8528)]