641252640

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{6581}}^1$

素因数の和:6635

約数の個数: 192

約数和(自身を含む): 2388476160

約数和(自身を除く): 1747223520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 29, 30, 32, 35, 40, 42, 48, 56, 58, 60, 70, 80, 84, 87, 96, 105, 112, 116, 120, 140, 145, 160, 168, 174, 203, 210, 224, 232, 240, 280, 290, 336, 348, 406, 420, 435, 464, 480, 560, 580, 609, 672, 696, 812, 840, 870, 928, 1015, 1120, 1160, 1218, 1392, 1624, 1680, 1740, 2030, 2320, 2436, 2784, 3045, 3248, 3360, 3480, 4060, 4640, 4872, 6090, 6496, 6581, 6960, 8120, 9744, 12180, 13162, 13920, 16240, 19488, 19743, 24360, 26324, 32480, 32905, 39486, 46067, 48720, 52648, 65810, 78972, 92134, 97440, 98715, 105296, 131620, 138201, 157944, 184268, 190849, 197430, 210592, 230335, 263240, 276402, 315888, 368536, 381698, 394860, 460670, 526480, 552804, 572547, 631776, 691005, 737072, 763396, 789720, 921340, 954245, 1052960, 1105608, 1145094, 1335943, 1382010, 1474144, 1526792, 1579440, 1842680, 1908490, 2211216, 2290188, 2671886, 2764020, 2862735, 3053584, 3158880, 3685360, 3816980, 4007829, 4422432, 4580376, 5343772, 5528040, 5725470, 6107168, 6679715, 7370720, 7633960, 8015658, 9160752, 10687544, 11056080, 11450940, 13359430, 15267920, 16031316, 18321504, 20039145, 21375088, 22112160, 22901880, 26718860, 30535840, 32062632, 40078290, 42750176, 45803760, 53437720, 64125264, 80156580, 91607520, 106875440, 128250528, 160313160, 213750880, 320626320, 641252640]

約数ペア:

[(1, 641252640), (2, 320626320), (3, 213750880), (4, 160313160), (5, 128250528), (6, 106875440), (7, 91607520), (8, 80156580), (10, 64125264), (12, 53437720), (14, 45803760), (15, 42750176), (16, 40078290), (20, 32062632), (21, 30535840), (24, 26718860), (28, 22901880), (29, 22112160), (30, 21375088), (32, 20039145), (35, 18321504), (40, 16031316), (42, 15267920), (48, 13359430), (56, 11450940), (58, 11056080), (60, 10687544), (70, 9160752), (80, 8015658), (84, 7633960), (87, 7370720), (96, 6679715), (105, 6107168), (112, 5725470), (116, 5528040), (120, 5343772), (140, 4580376), (145, 4422432), (160, 4007829), (168, 3816980), (174, 3685360), (203, 3158880), (210, 3053584), (224, 2862735), (232, 2764020), (240, 2671886), (280, 2290188), (290, 2211216), (336, 1908490), (348, 1842680), (406, 1579440), (420, 1526792), (435, 1474144), (464, 1382010), (480, 1335943), (560, 1145094), (580, 1105608), (609, 1052960), (672, 954245), (696, 921340), (812, 789720), (840, 763396), (870, 737072), (928, 691005), (1015, 631776), (1120, 572547), (1160, 552804), (1218, 526480), (1392, 460670), (1624, 394860), (1680, 381698), (1740, 368536), (2030, 315888), (2320, 276402), (2436, 263240), (2784, 230335), (3045, 210592), (3248, 197430), (3360, 190849), (3480, 184268), (4060, 157944), (4640, 138201), (4872, 131620), (6090, 105296), (6496, 98715), (6581, 97440), (6960, 92134), (8120, 78972), (9744, 65810), (12180, 52648), (13162, 48720), (13920, 46067), (16240, 39486), (19488, 32905), (19743, 32480), (24360, 26324)]