251513340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{2539}}^1$

素因数の和:2691

約数の個数: 96

約数和(自身を含む): 764682240

約数和(自身を除く): 513168900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 127, 130, 156, 195, 254, 260, 381, 390, 508, 635, 762, 780, 1270, 1524, 1651, 1905, 2539, 2540, 3302, 3810, 4953, 5078, 6604, 7617, 7620, 8255, 9906, 10156, 12695, 15234, 16510, 19812, 24765, 25390, 30468, 33007, 33020, 38085, 49530, 50780, 66014, 76170, 99021, 99060, 132028, 152340, 165035, 198042, 322453, 330070, 396084, 495105, 644906, 660140, 967359, 990210, 1289812, 1612265, 1934718, 1980420, 3224530, 3869436, 4191889, 4836795, 6449060, 8383778, 9673590, 12575667, 16767556, 19347180, 20959445, 25151334, 41918890, 50302668, 62878335, 83837780, 125756670, 251513340]

約数ペア:

[(1, 251513340), (2, 125756670), (3, 83837780), (4, 62878335), (5, 50302668), (6, 41918890), (10, 25151334), (12, 20959445), (13, 19347180), (15, 16767556), (20, 12575667), (26, 9673590), (30, 8383778), (39, 6449060), (52, 4836795), (60, 4191889), (65, 3869436), (78, 3224530), (127, 1980420), (130, 1934718), (156, 1612265), (195, 1289812), (254, 990210), (260, 967359), (381, 660140), (390, 644906), (508, 495105), (635, 396084), (762, 330070), (780, 322453), (1270, 198042), (1524, 165035), (1651, 152340), (1905, 132028), (2539, 99060), (2540, 99021), (3302, 76170), (3810, 66014), (4953, 50780), (5078, 49530), (6604, 38085), (7617, 33020), (7620, 33007), (8255, 30468), (9906, 25390), (10156, 24765), (12695, 19812), (15234, 16510)]