179487210

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{349}}^1$

素因数の和:476

約数の個数: 128

約数和(自身を含む): 516096000

約数和(自身を除く): 336608790

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 62, 70, 79, 93, 105, 155, 158, 186, 210, 217, 237, 310, 349, 395, 434, 465, 474, 553, 651, 698, 790, 930, 1047, 1085, 1106, 1185, 1302, 1659, 1745, 2094, 2170, 2370, 2443, 2449, 2765, 3255, 3318, 3490, 4886, 4898, 5235, 5530, 6510, 7329, 7347, 8295, 10470, 10819, 12215, 12245, 14658, 14694, 16590, 17143, 21638, 24430, 24490, 27571, 32457, 34286, 36645, 36735, 51429, 54095, 55142, 64914, 73290, 73470, 75733, 82713, 85715, 102858, 108190, 137855, 151466, 162285, 165426, 171430, 192997, 227199, 257145, 275710, 324570, 378665, 385994, 413565, 454398, 514290, 578991, 757330, 827130, 854701, 964985, 1135995, 1157982, 1709402, 1929970, 2271990, 2564103, 2894955, 4273505, 5128206, 5789910, 5982907, 8547010, 11965814, 12820515, 17948721, 25641030, 29914535, 35897442, 59829070, 89743605, 179487210]

約数ペア:

[(1, 179487210), (2, 89743605), (3, 59829070), (5, 35897442), (6, 29914535), (7, 25641030), (10, 17948721), (14, 12820515), (15, 11965814), (21, 8547010), (30, 5982907), (31, 5789910), (35, 5128206), (42, 4273505), (62, 2894955), (70, 2564103), (79, 2271990), (93, 1929970), (105, 1709402), (155, 1157982), (158, 1135995), (186, 964985), (210, 854701), (217, 827130), (237, 757330), (310, 578991), (349, 514290), (395, 454398), (434, 413565), (465, 385994), (474, 378665), (553, 324570), (651, 275710), (698, 257145), (790, 227199), (930, 192997), (1047, 171430), (1085, 165426), (1106, 162285), (1185, 151466), (1302, 137855), (1659, 108190), (1745, 102858), (2094, 85715), (2170, 82713), (2370, 75733), (2443, 73470), (2449, 73290), (2765, 64914), (3255, 55142), (3318, 54095), (3490, 51429), (4886, 36735), (4898, 36645), (5235, 34286), (5530, 32457), (6510, 27571), (7329, 24490), (7347, 24430), (8295, 21638), (10470, 17143), (10819, 16590), (12215, 14694), (12245, 14658)]