256148970

素因数分解:

$2^1\times 3^1\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:146

約数の個数: 256

約数和(自身を含む): 818380800

約数和(自身を除く): 562231830

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 31, 33, 35, 42, 49, 55, 62, 66, 70, 73, 77, 93, 98, 105, 110, 146, 147, 154, 155, 165, 186, 210, 217, 219, 231, 245, 294, 310, 330, 341, 343, 365, 385, 434, 438, 462, 465, 490, 511, 539, 651, 682, 686, 730, 735, 770, 803, 930, 1022, 1023, 1029, 1078, 1085, 1095, 1155, 1302, 1470, 1519, 1533, 1606, 1617, 1705, 1715, 2046, 2058, 2170, 2190, 2263, 2310, 2387, 2409, 2555, 2695, 3038, 3066, 3234, 3255, 3410, 3430, 3577, 3773, 4015, 4526, 4557, 4774, 4818, 5110, 5115, 5145, 5390, 5621, 6510, 6789, 7154, 7161, 7546, 7595, 7665, 8030, 8085, 9114, 10230, 10290, 10633, 10731, 11242, 11315, 11319, 11935, 12045, 13578, 14322, 15190, 15330, 15841, 16170, 16709, 16863, 17885, 18865, 21266, 21462, 22630, 22638, 22785, 23870, 24090, 24893, 25039, 28105, 31682, 31899, 33418, 33726, 33945, 35770, 35805, 37730, 39347, 45570, 47523, 49786, 50078, 50127, 53165, 53655, 56210, 56595, 63798, 67890, 71610, 74679, 75117, 78694, 79205, 83545, 84315, 95046, 100254, 106330, 107310, 110887, 113190, 116963, 118041, 124465, 125195, 149358, 150234, 158410, 159495, 167090, 168630, 174251, 196735, 221774, 233926, 236082, 237615, 248930, 250390, 250635, 275429, 318990, 332661, 348502, 350889, 373395, 375585, 393470, 475230, 501270, 522753, 550858, 554435, 584815, 590205, 665322, 701778, 746790, 751170, 776209, 826287, 871255, 1045506, 1108870, 1169630, 1180410, 1219757, 1377145, 1552418, 1652574, 1663305, 1742510, 1754445, 2328627, 2439514, 2613765, 2754290, 3326610, 3508890, 3659271, 3881045, 4131435, 4657254, 5227530, 6098785, 7318542, 7762090, 8262870, 8538299, 11643135, 12197570, 17076598, 18296355, 23286270, 25614897, 36592710, 42691495, 51229794, 85382990, 128074485, 256148970]

約数ペア:

[(1, 256148970), (2, 128074485), (3, 85382990), (5, 51229794), (6, 42691495), (7, 36592710), (10, 25614897), (11, 23286270), (14, 18296355), (15, 17076598), (21, 12197570), (22, 11643135), (30, 8538299), (31, 8262870), (33, 7762090), (35, 7318542), (42, 6098785), (49, 5227530), (55, 4657254), (62, 4131435), (66, 3881045), (70, 3659271), (73, 3508890), (77, 3326610), (93, 2754290), (98, 2613765), (105, 2439514), (110, 2328627), (146, 1754445), (147, 1742510), (154, 1663305), (155, 1652574), (165, 1552418), (186, 1377145), (210, 1219757), (217, 1180410), (219, 1169630), (231, 1108870), (245, 1045506), (294, 871255), (310, 826287), (330, 776209), (341, 751170), (343, 746790), (365, 701778), (385, 665322), (434, 590205), (438, 584815), (462, 554435), (465, 550858), (490, 522753), (511, 501270), (539, 475230), (651, 393470), (682, 375585), (686, 373395), (730, 350889), (735, 348502), (770, 332661), (803, 318990), (930, 275429), (1022, 250635), (1023, 250390), (1029, 248930), (1078, 237615), (1085, 236082), (1095, 233926), (1155, 221774), (1302, 196735), (1470, 174251), (1519, 168630), (1533, 167090), (1606, 159495), (1617, 158410), (1705, 150234), (1715, 149358), (2046, 125195), (2058, 124465), (2170, 118041), (2190, 116963), (2263, 113190), (2310, 110887), (2387, 107310), (2409, 106330), (2555, 100254), (2695, 95046), (3038, 84315), (3066, 83545), (3234, 79205), (3255, 78694), (3410, 75117), (3430, 74679), (3577, 71610), (3773, 67890), (4015, 63798), (4526, 56595), (4557, 56210), (4774, 53655), (4818, 53165), (5110, 50127), (5115, 50078), (5145, 49786), (5390, 47523), (5621, 45570), (6510, 39347), (6789, 37730), (7154, 35805), (7161, 35770), (7546, 33945), (7595, 33726), (7665, 33418), (8030, 31899), (8085, 31682), (9114, 28105), (10230, 25039), (10290, 24893), (10633, 24090), (10731, 23870), (11242, 22785), (11315, 22638), (11319, 22630), (11935, 21462), (12045, 21266), (13578, 18865), (14322, 17885), (15190, 16863), (15330, 16709), (15841, 16170)]