40544280

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1$

素因数の和:231

約数の個数: 256

約数和(自身を含む): 160358400

約数和(自身を除く): 119814120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 31, 35, 36, 40, 42, 45, 54, 56, 60, 62, 63, 70, 72, 84, 90, 93, 105, 108, 120, 124, 126, 135, 140, 155, 168, 173, 180, 186, 189, 210, 216, 217, 248, 252, 270, 279, 280, 310, 315, 346, 360, 372, 378, 420, 434, 465, 504, 519, 540, 558, 620, 630, 651, 692, 744, 756, 837, 840, 865, 868, 930, 945, 1038, 1080, 1085, 1116, 1211, 1240, 1260, 1302, 1384, 1395, 1512, 1557, 1674, 1730, 1736, 1860, 1890, 1953, 2076, 2170, 2232, 2422, 2520, 2595, 2604, 2790, 3114, 3255, 3348, 3460, 3633, 3720, 3780, 3906, 4152, 4185, 4340, 4671, 4844, 5190, 5208, 5363, 5580, 5859, 6055, 6228, 6510, 6696, 6920, 7266, 7560, 7785, 7812, 8370, 8680, 9342, 9688, 9765, 10380, 10726, 10899, 11160, 11718, 12110, 12456, 13020, 14532, 15570, 15624, 16089, 16740, 18165, 18684, 19530, 20760, 21452, 21798, 23355, 23436, 24220, 26040, 26815, 29064, 29295, 31140, 32178, 32697, 33480, 36330, 37368, 37541, 39060, 42904, 43596, 46710, 46872, 48267, 48440, 53630, 54495, 58590, 62280, 64356, 65394, 72660, 75082, 78120, 80445, 87192, 93420, 96534, 107260, 108990, 112623, 117180, 128712, 130788, 144801, 145320, 150164, 160890, 163485, 186840, 187705, 193068, 214520, 217980, 225246, 234360, 241335, 261576, 289602, 300328, 321780, 326970, 337869, 375410, 386136, 435960, 450492, 482670, 563115, 579204, 643560, 653940, 675738, 724005, 750820, 900984, 965340, 1013607, 1126230, 1158408, 1307880, 1351476, 1448010, 1501640, 1689345, 1930680, 2027214, 2252460, 2702952, 2896020, 3378690, 4054428, 4504920, 5068035, 5792040, 6757380, 8108856, 10136070, 13514760, 20272140, 40544280]

約数ペア:

[(1, 40544280), (2, 20272140), (3, 13514760), (4, 10136070), (5, 8108856), (6, 6757380), (7, 5792040), (8, 5068035), (9, 4504920), (10, 4054428), (12, 3378690), (14, 2896020), (15, 2702952), (18, 2252460), (20, 2027214), (21, 1930680), (24, 1689345), (27, 1501640), (28, 1448010), (30, 1351476), (31, 1307880), (35, 1158408), (36, 1126230), (40, 1013607), (42, 965340), (45, 900984), (54, 750820), (56, 724005), (60, 675738), (62, 653940), (63, 643560), (70, 579204), (72, 563115), (84, 482670), (90, 450492), (93, 435960), (105, 386136), (108, 375410), (120, 337869), (124, 326970), (126, 321780), (135, 300328), (140, 289602), (155, 261576), (168, 241335), (173, 234360), (180, 225246), (186, 217980), (189, 214520), (210, 193068), (216, 187705), (217, 186840), (248, 163485), (252, 160890), (270, 150164), (279, 145320), (280, 144801), (310, 130788), (315, 128712), (346, 117180), (360, 112623), (372, 108990), (378, 107260), (420, 96534), (434, 93420), (465, 87192), (504, 80445), (519, 78120), (540, 75082), (558, 72660), (620, 65394), (630, 64356), (651, 62280), (692, 58590), (744, 54495), (756, 53630), (837, 48440), (840, 48267), (865, 46872), (868, 46710), (930, 43596), (945, 42904), (1038, 39060), (1080, 37541), (1085, 37368), (1116, 36330), (1211, 33480), (1240, 32697), (1260, 32178), (1302, 31140), (1384, 29295), (1395, 29064), (1512, 26815), (1557, 26040), (1674, 24220), (1730, 23436), (1736, 23355), (1860, 21798), (1890, 21452), (1953, 20760), (2076, 19530), (2170, 18684), (2232, 18165), (2422, 16740), (2520, 16089), (2595, 15624), (2604, 15570), (2790, 14532), (3114, 13020), (3255, 12456), (3348, 12110), (3460, 11718), (3633, 11160), (3720, 10899), (3780, 10726), (3906, 10380), (4152, 9765), (4185, 9688), (4340, 9342), (4671, 8680), (4844, 8370), (5190, 7812), (5208, 7785), (5363, 7560), (5580, 7266), (5859, 6920), (6055, 6696), (6228, 6510)]