131005980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{601}}^1$

素因数の和:796

約数の個数: 144

約数和(自身を含む): 457539264

約数和(自身を除く): 326533284

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 173, 180, 210, 252, 315, 346, 420, 519, 601, 630, 692, 865, 1038, 1202, 1211, 1260, 1557, 1730, 1803, 2076, 2404, 2422, 2595, 3005, 3114, 3460, 3606, 3633, 4207, 4844, 5190, 5409, 6010, 6055, 6228, 7212, 7266, 7785, 8414, 9015, 10380, 10818, 10899, 12020, 12110, 12621, 14532, 15570, 16828, 18030, 18165, 21035, 21636, 21798, 24220, 25242, 27045, 31140, 36060, 36330, 37863, 42070, 43596, 50484, 54090, 54495, 63105, 72660, 75726, 84140, 103973, 108180, 108990, 126210, 151452, 189315, 207946, 217980, 252420, 311919, 378630, 415892, 519865, 623838, 727811, 757260, 935757, 1039730, 1247676, 1455622, 1559595, 1871514, 2079460, 2183433, 2911244, 3119190, 3639055, 3743028, 4366866, 4678785, 6238380, 6550299, 7278110, 8733732, 9357570, 10917165, 13100598, 14556220, 18715140, 21834330, 26201196, 32751495, 43668660, 65502990, 131005980]

約数ペア:

[(1, 131005980), (2, 65502990), (3, 43668660), (4, 32751495), (5, 26201196), (6, 21834330), (7, 18715140), (9, 14556220), (10, 13100598), (12, 10917165), (14, 9357570), (15, 8733732), (18, 7278110), (20, 6550299), (21, 6238380), (28, 4678785), (30, 4366866), (35, 3743028), (36, 3639055), (42, 3119190), (45, 2911244), (60, 2183433), (63, 2079460), (70, 1871514), (84, 1559595), (90, 1455622), (105, 1247676), (126, 1039730), (140, 935757), (173, 757260), (180, 727811), (210, 623838), (252, 519865), (315, 415892), (346, 378630), (420, 311919), (519, 252420), (601, 217980), (630, 207946), (692, 189315), (865, 151452), (1038, 126210), (1202, 108990), (1211, 108180), (1260, 103973), (1557, 84140), (1730, 75726), (1803, 72660), (2076, 63105), (2404, 54495), (2422, 54090), (2595, 50484), (3005, 43596), (3114, 42070), (3460, 37863), (3606, 36330), (3633, 36060), (4207, 31140), (4844, 27045), (5190, 25242), (5409, 24220), (6010, 21798), (6055, 21636), (6228, 21035), (7212, 18165), (7266, 18030), (7785, 16828), (8414, 15570), (9015, 14532), (10380, 12621), (10818, 12110), (10899, 12020)]