81125460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{937}}^1$

素因数の和:1002

約数の個数: 144

約数和(自身を含む): 272462736

約数和(自身を除く): 191337276

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 37, 39, 45, 52, 60, 65, 74, 78, 90, 111, 117, 130, 148, 156, 180, 185, 195, 222, 234, 260, 333, 370, 390, 444, 468, 481, 555, 585, 666, 740, 780, 937, 962, 1110, 1170, 1332, 1443, 1665, 1874, 1924, 2220, 2340, 2405, 2811, 2886, 3330, 3748, 4329, 4685, 4810, 5622, 5772, 6660, 7215, 8433, 8658, 9370, 9620, 11244, 12181, 14055, 14430, 16866, 17316, 18740, 21645, 24362, 28110, 28860, 33732, 34669, 36543, 42165, 43290, 48724, 56220, 60905, 69338, 73086, 84330, 86580, 104007, 109629, 121810, 138676, 146172, 168660, 173345, 182715, 208014, 219258, 243620, 312021, 346690, 365430, 416028, 438516, 450697, 520035, 548145, 624042, 693380, 730860, 901394, 1040070, 1096290, 1248084, 1352091, 1560105, 1802788, 2080140, 2192580, 2253485, 2704182, 3120210, 4056273, 4506970, 5408364, 6240420, 6760455, 8112546, 9013940, 13520910, 16225092, 20281365, 27041820, 40562730, 81125460]

約数ペア:

[(1, 81125460), (2, 40562730), (3, 27041820), (4, 20281365), (5, 16225092), (6, 13520910), (9, 9013940), (10, 8112546), (12, 6760455), (13, 6240420), (15, 5408364), (18, 4506970), (20, 4056273), (26, 3120210), (30, 2704182), (36, 2253485), (37, 2192580), (39, 2080140), (45, 1802788), (52, 1560105), (60, 1352091), (65, 1248084), (74, 1096290), (78, 1040070), (90, 901394), (111, 730860), (117, 693380), (130, 624042), (148, 548145), (156, 520035), (180, 450697), (185, 438516), (195, 416028), (222, 365430), (234, 346690), (260, 312021), (333, 243620), (370, 219258), (390, 208014), (444, 182715), (468, 173345), (481, 168660), (555, 146172), (585, 138676), (666, 121810), (740, 109629), (780, 104007), (937, 86580), (962, 84330), (1110, 73086), (1170, 69338), (1332, 60905), (1443, 56220), (1665, 48724), (1874, 43290), (1924, 42165), (2220, 36543), (2340, 34669), (2405, 33732), (2811, 28860), (2886, 28110), (3330, 24362), (3748, 21645), (4329, 18740), (4685, 17316), (4810, 16866), (5622, 14430), (5772, 14055), (6660, 12181), (7215, 11244), (8433, 9620), (8658, 9370)]