815528520

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{12379}}^1$

素因数の和:12460

約数の個数: 128

約数和(自身を含む): 2763216000

約数和(自身を除く): 1947687480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 61, 72, 90, 108, 120, 122, 135, 180, 183, 216, 244, 270, 305, 360, 366, 488, 540, 549, 610, 732, 915, 1080, 1098, 1220, 1464, 1647, 1830, 2196, 2440, 2745, 3294, 3660, 4392, 5490, 6588, 7320, 8235, 10980, 12379, 13176, 16470, 21960, 24758, 32940, 37137, 49516, 61895, 65880, 74274, 99032, 111411, 123790, 148548, 185685, 222822, 247580, 297096, 334233, 371370, 445644, 495160, 557055, 668466, 742740, 755119, 891288, 1114110, 1336932, 1485480, 1510238, 1671165, 2228220, 2265357, 2673864, 3020476, 3342330, 3775595, 4456440, 4530714, 6040952, 6684660, 6796071, 7551190, 9061428, 11326785, 13369320, 13592142, 15102380, 18122856, 20388213, 22653570, 27184284, 30204760, 33980355, 40776426, 45307140, 54368568, 67960710, 81552852, 90614280, 101941065, 135921420, 163105704, 203882130, 271842840, 407764260, 815528520]

約数ペア:

[(1, 815528520), (2, 407764260), (3, 271842840), (4, 203882130), (5, 163105704), (6, 135921420), (8, 101941065), (9, 90614280), (10, 81552852), (12, 67960710), (15, 54368568), (18, 45307140), (20, 40776426), (24, 33980355), (27, 30204760), (30, 27184284), (36, 22653570), (40, 20388213), (45, 18122856), (54, 15102380), (60, 13592142), (61, 13369320), (72, 11326785), (90, 9061428), (108, 7551190), (120, 6796071), (122, 6684660), (135, 6040952), (180, 4530714), (183, 4456440), (216, 3775595), (244, 3342330), (270, 3020476), (305, 2673864), (360, 2265357), (366, 2228220), (488, 1671165), (540, 1510238), (549, 1485480), (610, 1336932), (732, 1114110), (915, 891288), (1080, 755119), (1098, 742740), (1220, 668466), (1464, 557055), (1647, 495160), (1830, 445644), (2196, 371370), (2440, 334233), (2745, 297096), (3294, 247580), (3660, 222822), (4392, 185685), (5490, 148548), (6588, 123790), (7320, 111411), (8235, 99032), (10980, 74274), (12379, 65880), (13176, 61895), (16470, 49516), (21960, 37137), (24758, 32940)]