205351380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{691}}^1$

素因数の和:846

約数の個数: 144

約数和(自身を含む): 677074944

約数和(自身を除く): 471723564

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 127, 130, 156, 180, 195, 234, 254, 260, 381, 390, 468, 508, 585, 635, 691, 762, 780, 1143, 1170, 1270, 1382, 1524, 1651, 1905, 2073, 2286, 2340, 2540, 2764, 3302, 3455, 3810, 4146, 4572, 4953, 5715, 6219, 6604, 6910, 7620, 8255, 8292, 8983, 9906, 10365, 11430, 12438, 13820, 14859, 16510, 17966, 19812, 20730, 22860, 24765, 24876, 26949, 29718, 31095, 33020, 35932, 41460, 44915, 49530, 53898, 59436, 62190, 74295, 80847, 87757, 89830, 99060, 107796, 124380, 134745, 148590, 161694, 175514, 179660, 263271, 269490, 297180, 323388, 351028, 404235, 438785, 526542, 538980, 789813, 808470, 877570, 1053084, 1140841, 1316355, 1579626, 1616940, 1755140, 2281682, 2632710, 3159252, 3422523, 3949065, 4563364, 5265420, 5704205, 6845046, 7898130, 10267569, 11408410, 13690092, 15796260, 17112615, 20535138, 22816820, 34225230, 41070276, 51337845, 68450460, 102675690, 205351380]

約数ペア:

[(1, 205351380), (2, 102675690), (3, 68450460), (4, 51337845), (5, 41070276), (6, 34225230), (9, 22816820), (10, 20535138), (12, 17112615), (13, 15796260), (15, 13690092), (18, 11408410), (20, 10267569), (26, 7898130), (30, 6845046), (36, 5704205), (39, 5265420), (45, 4563364), (52, 3949065), (60, 3422523), (65, 3159252), (78, 2632710), (90, 2281682), (117, 1755140), (127, 1616940), (130, 1579626), (156, 1316355), (180, 1140841), (195, 1053084), (234, 877570), (254, 808470), (260, 789813), (381, 538980), (390, 526542), (468, 438785), (508, 404235), (585, 351028), (635, 323388), (691, 297180), (762, 269490), (780, 263271), (1143, 179660), (1170, 175514), (1270, 161694), (1382, 148590), (1524, 134745), (1651, 124380), (1905, 107796), (2073, 99060), (2286, 89830), (2340, 87757), (2540, 80847), (2764, 74295), (3302, 62190), (3455, 59436), (3810, 53898), (4146, 49530), (4572, 44915), (4953, 41460), (5715, 35932), (6219, 33020), (6604, 31095), (6910, 29718), (7620, 26949), (8255, 24876), (8292, 24765), (8983, 22860), (9906, 20730), (10365, 19812), (11430, 17966), (12438, 16510), (13820, 14859)]