38647620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1$

素因数の和:306

約数の個数: 144

約数和(自身を含む): 129729600

約数和(自身を除く): 91081980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 131, 132, 149, 165, 180, 198, 220, 262, 298, 330, 393, 396, 447, 495, 524, 596, 655, 660, 745, 786, 894, 990, 1179, 1310, 1341, 1441, 1490, 1572, 1639, 1788, 1965, 1980, 2235, 2358, 2620, 2682, 2882, 2980, 3278, 3930, 4323, 4470, 4716, 4917, 5364, 5764, 5895, 6556, 6705, 7205, 7860, 8195, 8646, 8940, 9834, 11790, 12969, 13410, 14410, 14751, 16390, 17292, 19519, 19668, 21615, 23580, 24585, 25938, 26820, 28820, 29502, 32780, 39038, 43230, 49170, 51876, 58557, 59004, 64845, 73755, 78076, 86460, 97595, 98340, 117114, 129690, 147510, 175671, 195190, 214709, 234228, 259380, 292785, 295020, 351342, 390380, 429418, 585570, 644127, 702684, 858836, 878355, 1073545, 1171140, 1288254, 1756710, 1932381, 2147090, 2576508, 3220635, 3513420, 3864762, 4294180, 6441270, 7729524, 9661905, 12882540, 19323810, 38647620]

約数ペア:

[(1, 38647620), (2, 19323810), (3, 12882540), (4, 9661905), (5, 7729524), (6, 6441270), (9, 4294180), (10, 3864762), (11, 3513420), (12, 3220635), (15, 2576508), (18, 2147090), (20, 1932381), (22, 1756710), (30, 1288254), (33, 1171140), (36, 1073545), (44, 878355), (45, 858836), (55, 702684), (60, 644127), (66, 585570), (90, 429418), (99, 390380), (110, 351342), (131, 295020), (132, 292785), (149, 259380), (165, 234228), (180, 214709), (198, 195190), (220, 175671), (262, 147510), (298, 129690), (330, 117114), (393, 98340), (396, 97595), (447, 86460), (495, 78076), (524, 73755), (596, 64845), (655, 59004), (660, 58557), (745, 51876), (786, 49170), (894, 43230), (990, 39038), (1179, 32780), (1310, 29502), (1341, 28820), (1441, 26820), (1490, 25938), (1572, 24585), (1639, 23580), (1788, 21615), (1965, 19668), (1980, 19519), (2235, 17292), (2358, 16390), (2620, 14751), (2682, 14410), (2882, 13410), (2980, 12969), (3278, 11790), (3930, 9834), (4323, 8940), (4470, 8646), (4716, 8195), (4917, 7860), (5364, 7205), (5764, 6705), (5895, 6556)]