218406160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{547}}^1$

素因数の和:621

約数の個数: 160

約数和(自身を含む): 626245632

約数和(自身を除く): 407839472

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 31, 35, 40, 46, 56, 62, 70, 80, 92, 112, 115, 124, 140, 155, 161, 184, 217, 230, 248, 280, 310, 322, 368, 434, 460, 496, 547, 560, 620, 644, 713, 805, 868, 920, 1085, 1094, 1240, 1288, 1426, 1610, 1736, 1840, 2170, 2188, 2480, 2576, 2735, 2852, 3220, 3472, 3565, 3829, 4340, 4376, 4991, 5470, 5704, 6440, 7130, 7658, 8680, 8752, 9982, 10940, 11408, 12581, 12880, 14260, 15316, 16957, 17360, 19145, 19964, 21880, 24955, 25162, 28520, 30632, 33914, 38290, 39928, 43760, 49910, 50324, 57040, 61264, 62905, 67828, 76580, 79856, 84785, 88067, 99820, 100648, 118699, 125810, 135656, 153160, 169570, 176134, 199640, 201296, 237398, 251620, 271312, 306320, 339140, 352268, 390011, 399280, 440335, 474796, 503240, 593495, 678280, 704536, 780022, 880670, 949592, 1006480, 1186990, 1356560, 1409072, 1560044, 1761340, 1899184, 1950055, 2373980, 2730077, 3120088, 3522680, 3900110, 4747960, 5460154, 6240176, 7045360, 7800220, 9495920, 10920308, 13650385, 15600440, 21840616, 27300770, 31200880, 43681232, 54601540, 109203080, 218406160]

約数ペア:

[(1, 218406160), (2, 109203080), (4, 54601540), (5, 43681232), (7, 31200880), (8, 27300770), (10, 21840616), (14, 15600440), (16, 13650385), (20, 10920308), (23, 9495920), (28, 7800220), (31, 7045360), (35, 6240176), (40, 5460154), (46, 4747960), (56, 3900110), (62, 3522680), (70, 3120088), (80, 2730077), (92, 2373980), (112, 1950055), (115, 1899184), (124, 1761340), (140, 1560044), (155, 1409072), (161, 1356560), (184, 1186990), (217, 1006480), (230, 949592), (248, 880670), (280, 780022), (310, 704536), (322, 678280), (368, 593495), (434, 503240), (460, 474796), (496, 440335), (547, 399280), (560, 390011), (620, 352268), (644, 339140), (713, 306320), (805, 271312), (868, 251620), (920, 237398), (1085, 201296), (1094, 199640), (1240, 176134), (1288, 169570), (1426, 153160), (1610, 135656), (1736, 125810), (1840, 118699), (2170, 100648), (2188, 99820), (2480, 88067), (2576, 84785), (2735, 79856), (2852, 76580), (3220, 67828), (3472, 62905), (3565, 61264), (3829, 57040), (4340, 50324), (4376, 49910), (4991, 43760), (5470, 39928), (5704, 38290), (6440, 33914), (7130, 30632), (7658, 28520), (8680, 25162), (8752, 24955), (9982, 21880), (10940, 19964), (11408, 19145), (12581, 17360), (12880, 16957), (14260, 15316)]