218867130

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{331}}^1$

素因数の和:457

約数の個数: 128

約数和(自身を含む): 611942400

約数和(自身を除く): 393075270

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 31, 45, 54, 62, 79, 90, 93, 135, 155, 158, 186, 237, 270, 279, 310, 331, 395, 465, 474, 558, 662, 711, 790, 837, 930, 993, 1185, 1395, 1422, 1655, 1674, 1986, 2133, 2370, 2449, 2790, 2979, 3310, 3555, 4185, 4266, 4898, 4965, 5958, 7110, 7347, 8370, 8937, 9930, 10261, 10665, 12245, 14694, 14895, 17874, 20522, 21330, 22041, 24490, 26149, 29790, 30783, 36735, 44082, 44685, 51305, 52298, 61566, 66123, 73470, 78447, 89370, 92349, 102610, 110205, 130745, 132246, 153915, 156894, 184698, 220410, 235341, 261490, 277047, 307830, 330615, 392235, 461745, 470682, 554094, 661230, 706023, 784470, 810619, 923490, 1176705, 1385235, 1412046, 1621238, 2353410, 2431857, 2770470, 3530115, 4053095, 4863714, 7060230, 7295571, 8106190, 12159285, 14591142, 21886713, 24318570, 36477855, 43773426, 72955710, 109433565, 218867130]

約数ペア:

[(1, 218867130), (2, 109433565), (3, 72955710), (5, 43773426), (6, 36477855), (9, 24318570), (10, 21886713), (15, 14591142), (18, 12159285), (27, 8106190), (30, 7295571), (31, 7060230), (45, 4863714), (54, 4053095), (62, 3530115), (79, 2770470), (90, 2431857), (93, 2353410), (135, 1621238), (155, 1412046), (158, 1385235), (186, 1176705), (237, 923490), (270, 810619), (279, 784470), (310, 706023), (331, 661230), (395, 554094), (465, 470682), (474, 461745), (558, 392235), (662, 330615), (711, 307830), (790, 277047), (837, 261490), (930, 235341), (993, 220410), (1185, 184698), (1395, 156894), (1422, 153915), (1655, 132246), (1674, 130745), (1986, 110205), (2133, 102610), (2370, 92349), (2449, 89370), (2790, 78447), (2979, 73470), (3310, 66123), (3555, 61566), (4185, 52298), (4266, 51305), (4898, 44685), (4965, 44082), (5958, 36735), (7110, 30783), (7347, 29790), (8370, 26149), (8937, 24490), (9930, 22041), (10261, 21330), (10665, 20522), (12245, 17874), (14694, 14895)]