15990775070

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{491}}^1$

素因数の和:690

約数の個数: 128

約数和(自身を含む): 31983621120

約数和(自身を除く): 15992846050

約数列:

[1, 2, 5, 10, 23, 37, 43, 46, 74, 86, 89, 115, 178, 185, 215, 230, 370, 430, 445, 491, 851, 890, 982, 989, 1591, 1702, 1978, 2047, 2455, 3182, 3293, 3827, 4094, 4255, 4910, 4945, 6586, 7654, 7955, 8510, 9890, 10235, 11293, 15910, 16465, 18167, 19135, 20470, 21113, 22586, 32930, 36334, 36593, 38270, 42226, 43699, 56465, 73186, 75739, 87398, 88021, 90835, 105565, 112930, 141599, 151478, 176042, 181670, 182965, 211130, 218495, 283198, 365930, 378695, 417841, 436990, 440105, 485599, 707995, 757390, 781181, 835682, 880210, 971198, 1005077, 1415990, 1562362, 1616863, 1879057, 2010154, 2089205, 2427995, 3233726, 3256777, 3758114, 3905905, 4178410, 4855990, 5025385, 6513554, 7811810, 8084315, 9395285, 10050770, 16168630, 16283885, 17967163, 18790570, 32567770, 35934326, 37187849, 43218311, 69525109, 74375698, 86436622, 89835815, 139050218, 179671630, 185939245, 216091555, 347625545, 371878490, 432183110, 695251090, 1599077507, 3198155014, 7995387535, 15990775070]

約数ペア:

[(1, 15990775070), (2, 7995387535), (5, 3198155014), (10, 1599077507), (23, 695251090), (37, 432183110), (43, 371878490), (46, 347625545), (74, 216091555), (86, 185939245), (89, 179671630), (115, 139050218), (178, 89835815), (185, 86436622), (215, 74375698), (230, 69525109), (370, 43218311), (430, 37187849), (445, 35934326), (491, 32567770), (851, 18790570), (890, 17967163), (982, 16283885), (989, 16168630), (1591, 10050770), (1702, 9395285), (1978, 8084315), (2047, 7811810), (2455, 6513554), (3182, 5025385), (3293, 4855990), (3827, 4178410), (4094, 3905905), (4255, 3758114), (4910, 3256777), (4945, 3233726), (6586, 2427995), (7654, 2089205), (7955, 2010154), (8510, 1879057), (9890, 1616863), (10235, 1562362), (11293, 1415990), (15910, 1005077), (16465, 971198), (18167, 880210), (19135, 835682), (20470, 781181), (21113, 757390), (22586, 707995), (32930, 485599), (36334, 440105), (36593, 436990), (38270, 417841), (42226, 378695), (43699, 365930), (56465, 283198), (73186, 218495), (75739, 211130), (87398, 182965), (88021, 181670), (90835, 176042), (105565, 151478), (112930, 141599)]