1387662720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{38039}}^1$

素因数の和:38080

約数の個数: 128

約数和(自身を含む): 4656096000

約数和(自身を除く): 3268433280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 76, 80, 95, 96, 114, 120, 128, 152, 160, 190, 192, 228, 240, 285, 304, 320, 380, 384, 456, 480, 570, 608, 640, 760, 912, 960, 1140, 1216, 1520, 1824, 1920, 2280, 2432, 3040, 3648, 4560, 6080, 7296, 9120, 12160, 18240, 36480, 38039, 76078, 114117, 152156, 190195, 228234, 304312, 380390, 456468, 570585, 608624, 722741, 760780, 912936, 1141170, 1217248, 1445482, 1521560, 1825872, 2168223, 2282340, 2434496, 2890964, 3043120, 3613705, 3651744, 4336446, 4564680, 4868992, 5781928, 6086240, 7227410, 7303488, 8672892, 9129360, 10841115, 11563856, 12172480, 14454820, 14606976, 17345784, 18258720, 21682230, 23127712, 24344960, 28909640, 34691568, 36517440, 43364460, 46255424, 57819280, 69383136, 73034880, 86728920, 92510848, 115638560, 138766272, 173457840, 231277120, 277532544, 346915680, 462554240, 693831360, 1387662720]

約数ペア:

[(1, 1387662720), (2, 693831360), (3, 462554240), (4, 346915680), (5, 277532544), (6, 231277120), (8, 173457840), (10, 138766272), (12, 115638560), (15, 92510848), (16, 86728920), (19, 73034880), (20, 69383136), (24, 57819280), (30, 46255424), (32, 43364460), (38, 36517440), (40, 34691568), (48, 28909640), (57, 24344960), (60, 23127712), (64, 21682230), (76, 18258720), (80, 17345784), (95, 14606976), (96, 14454820), (114, 12172480), (120, 11563856), (128, 10841115), (152, 9129360), (160, 8672892), (190, 7303488), (192, 7227410), (228, 6086240), (240, 5781928), (285, 4868992), (304, 4564680), (320, 4336446), (380, 3651744), (384, 3613705), (456, 3043120), (480, 2890964), (570, 2434496), (608, 2282340), (640, 2168223), (760, 1825872), (912, 1521560), (960, 1445482), (1140, 1217248), (1216, 1141170), (1520, 912936), (1824, 760780), (1920, 722741), (2280, 608624), (2432, 570585), (3040, 456468), (3648, 380390), (4560, 304312), (6080, 228234), (7296, 190195), (9120, 152156), (12160, 114117), (18240, 76078), (36480, 38039)]