77947020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1$

素因数の和:336

約数の個数: 144

約数和(自身を含む): 249150720

約数和(自身を除く): 171203700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 61, 62, 90, 93, 122, 124, 155, 180, 183, 186, 229, 244, 279, 305, 310, 366, 372, 458, 465, 549, 558, 610, 620, 687, 732, 915, 916, 930, 1098, 1116, 1145, 1220, 1374, 1395, 1830, 1860, 1891, 2061, 2196, 2290, 2745, 2748, 2790, 3435, 3660, 3782, 4122, 4580, 5490, 5580, 5673, 6870, 7099, 7564, 8244, 9455, 10305, 10980, 11346, 13740, 13969, 14198, 17019, 18910, 20610, 21297, 22692, 27938, 28365, 28396, 34038, 35495, 37820, 41220, 41907, 42594, 55876, 56730, 63891, 68076, 69845, 70990, 83814, 85095, 85188, 106485, 113460, 125721, 127782, 139690, 141980, 167628, 170190, 209535, 212970, 251442, 255564, 279380, 319455, 340380, 419070, 425940, 433039, 502884, 628605, 638910, 838140, 866078, 1257210, 1277820, 1299117, 1732156, 2165195, 2514420, 2598234, 3897351, 4330390, 5196468, 6495585, 7794702, 8660780, 12991170, 15589404, 19486755, 25982340, 38973510, 77947020]

約数ペア:

[(1, 77947020), (2, 38973510), (3, 25982340), (4, 19486755), (5, 15589404), (6, 12991170), (9, 8660780), (10, 7794702), (12, 6495585), (15, 5196468), (18, 4330390), (20, 3897351), (30, 2598234), (31, 2514420), (36, 2165195), (45, 1732156), (60, 1299117), (61, 1277820), (62, 1257210), (90, 866078), (93, 838140), (122, 638910), (124, 628605), (155, 502884), (180, 433039), (183, 425940), (186, 419070), (229, 340380), (244, 319455), (279, 279380), (305, 255564), (310, 251442), (366, 212970), (372, 209535), (458, 170190), (465, 167628), (549, 141980), (558, 139690), (610, 127782), (620, 125721), (687, 113460), (732, 106485), (915, 85188), (916, 85095), (930, 83814), (1098, 70990), (1116, 69845), (1145, 68076), (1220, 63891), (1374, 56730), (1395, 55876), (1830, 42594), (1860, 41907), (1891, 41220), (2061, 37820), (2196, 35495), (2290, 34038), (2745, 28396), (2748, 28365), (2790, 27938), (3435, 22692), (3660, 21297), (3782, 20610), (4122, 18910), (4580, 17019), (5490, 14198), (5580, 13969), (5673, 13740), (6870, 11346), (7099, 10980), (7564, 10305), (8244, 9455)]