217054320

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{18457}}^1$

素因数の和:18487

約数の個数: 120

約数和(自身を含む): 782766864

約数和(自身を除く): 565712544

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, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 392, 420, 490, 560, 588, 735, 784, 840, 980, 1176, 1470, 1680, 1960, 2352, 2940, 3920, 5880, 11760, 18457, 36914, 55371, 73828, 92285, 110742, 129199, 147656, 184570, 221484, 258398, 276855, 295312, 369140, 387597, 442968, 516796, 553710, 645995, 738280, 775194, 885936, 904393, 1033592, 1107420, 1291990, 1476560, 1550388, 1808786, 1937985, 2067184, 2214840, 2583980, 2713179, 3100776, 3617572, 3875970, 4429680, 4521965, 5167960, 5426358, 6201552, 7235144, 7751940, 9043930, 10335920, 10852716, 13565895, 14470288, 15503880, 18087860, 21705432, 27131790, 31007760, 36175720, 43410864, 54263580, 72351440, 108527160, 217054320]

約数ペア:

[(1, 217054320), (2, 108527160), (3, 72351440), (4, 54263580), (5, 43410864), (6, 36175720), (7, 31007760), (8, 27131790), (10, 21705432), (12, 18087860), (14, 15503880), (15, 14470288), (16, 13565895), (20, 10852716), (21, 10335920), (24, 9043930), (28, 7751940), (30, 7235144), (35, 6201552), (40, 5426358), (42, 5167960), (48, 4521965), (49, 4429680), (56, 3875970), (60, 3617572), (70, 3100776), (80, 2713179), (84, 2583980), (98, 2214840), (105, 2067184), (112, 1937985), (120, 1808786), (140, 1550388), (147, 1476560), (168, 1291990), (196, 1107420), (210, 1033592), (240, 904393), (245, 885936), (280, 775194), (294, 738280), (336, 645995), (392, 553710), (420, 516796), (490, 442968), (560, 387597), (588, 369140), (735, 295312), (784, 276855), (840, 258398), (980, 221484), (1176, 184570), (1470, 147656), (1680, 129199), (1960, 110742), (2352, 92285), (2940, 73828), (3920, 55371), (5880, 36914), (11760, 18457)]