256310670

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^3\times {\mathrm{131}}^1$

素因数の和:188

約数の個数: 192

約数和(自身を含む): 793089792

約数和(自身を除く): 536779122

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 33, 35, 42, 49, 55, 66, 70, 77, 98, 105, 110, 121, 131, 147, 154, 165, 210, 231, 242, 245, 262, 294, 330, 363, 385, 393, 462, 490, 539, 605, 655, 726, 735, 770, 786, 847, 917, 1078, 1155, 1210, 1310, 1331, 1441, 1470, 1617, 1694, 1815, 1834, 1965, 2310, 2541, 2662, 2695, 2751, 2882, 3234, 3630, 3930, 3993, 4235, 4323, 4585, 5082, 5390, 5502, 5929, 6419, 6655, 7205, 7986, 8085, 8470, 8646, 9170, 9317, 10087, 11858, 12705, 12838, 13310, 13755, 14410, 15851, 16170, 17787, 18634, 19257, 19965, 20174, 21615, 25410, 27510, 27951, 29645, 30261, 31702, 32095, 35574, 38514, 39930, 43230, 46585, 47553, 50435, 55902, 59290, 60522, 64190, 65219, 70609, 79255, 88935, 93170, 95106, 96285, 100870, 110957, 130438, 139755, 141218, 151305, 158510, 174361, 177870, 192570, 195657, 211827, 221914, 237765, 279510, 302610, 326095, 332871, 348722, 353045, 391314, 423654, 475530, 523083, 554785, 652190, 665742, 706090, 776699, 871805, 978285, 1046166, 1059135, 1109570, 1220527, 1553398, 1664355, 1743610, 1956570, 2118270, 2330097, 2441054, 2615415, 3328710, 3661581, 3883495, 4660194, 5230830, 6102635, 7323162, 7766990, 8543689, 11650485, 12205270, 17087378, 18307905, 23300970, 25631067, 36615810, 42718445, 51262134, 85436890, 128155335, 256310670]

約数ペア:

[(1, 256310670), (2, 128155335), (3, 85436890), (5, 51262134), (6, 42718445), (7, 36615810), (10, 25631067), (11, 23300970), (14, 18307905), (15, 17087378), (21, 12205270), (22, 11650485), (30, 8543689), (33, 7766990), (35, 7323162), (42, 6102635), (49, 5230830), (55, 4660194), (66, 3883495), (70, 3661581), (77, 3328710), (98, 2615415), (105, 2441054), (110, 2330097), (121, 2118270), (131, 1956570), (147, 1743610), (154, 1664355), (165, 1553398), (210, 1220527), (231, 1109570), (242, 1059135), (245, 1046166), (262, 978285), (294, 871805), (330, 776699), (363, 706090), (385, 665742), (393, 652190), (462, 554785), (490, 523083), (539, 475530), (605, 423654), (655, 391314), (726, 353045), (735, 348722), (770, 332871), (786, 326095), (847, 302610), (917, 279510), (1078, 237765), (1155, 221914), (1210, 211827), (1310, 195657), (1331, 192570), (1441, 177870), (1470, 174361), (1617, 158510), (1694, 151305), (1815, 141218), (1834, 139755), (1965, 130438), (2310, 110957), (2541, 100870), (2662, 96285), (2695, 95106), (2751, 93170), (2882, 88935), (3234, 79255), (3630, 70609), (3930, 65219), (3993, 64190), (4235, 60522), (4323, 59290), (4585, 55902), (5082, 50435), (5390, 47553), (5502, 46585), (5929, 43230), (6419, 39930), (6655, 38514), (7205, 35574), (7986, 32095), (8085, 31702), (8470, 30261), (8646, 29645), (9170, 27951), (9317, 27510), (10087, 25410), (11858, 21615), (12705, 20174), (12838, 19965), (13310, 19257), (13755, 18634), (14410, 17787), (15851, 16170)]