290542140

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{25621}}^1$

素因数の和:25649

約数の個数: 120

約数和(自身を含む): 1041688032

約数和(自身を除く): 751145892

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 252, 270, 315, 324, 378, 405, 420, 540, 567, 630, 756, 810, 945, 1134, 1260, 1620, 1890, 2268, 2835, 3780, 5670, 11340, 25621, 51242, 76863, 102484, 128105, 153726, 179347, 230589, 256210, 307452, 358694, 384315, 461178, 512420, 538041, 691767, 717388, 768630, 896735, 922356, 1076082, 1152945, 1383534, 1537260, 1614123, 1793470, 2075301, 2152164, 2305890, 2690205, 2767068, 3228246, 3458835, 3586940, 4150602, 4611780, 4842369, 5380410, 6456492, 6917670, 8070615, 8301204, 9684738, 10376505, 10760820, 13835340, 14527107, 16141230, 19369476, 20753010, 24211845, 29054214, 32282460, 41506020, 48423690, 58108428, 72635535, 96847380, 145271070, 290542140]

約数ペア:

[(1, 290542140), (2, 145271070), (3, 96847380), (4, 72635535), (5, 58108428), (6, 48423690), (7, 41506020), (9, 32282460), (10, 29054214), (12, 24211845), (14, 20753010), (15, 19369476), (18, 16141230), (20, 14527107), (21, 13835340), (27, 10760820), (28, 10376505), (30, 9684738), (35, 8301204), (36, 8070615), (42, 6917670), (45, 6456492), (54, 5380410), (60, 4842369), (63, 4611780), (70, 4150602), (81, 3586940), (84, 3458835), (90, 3228246), (105, 2767068), (108, 2690205), (126, 2305890), (135, 2152164), (140, 2075301), (162, 1793470), (180, 1614123), (189, 1537260), (210, 1383534), (252, 1152945), (270, 1076082), (315, 922356), (324, 896735), (378, 768630), (405, 717388), (420, 691767), (540, 538041), (567, 512420), (630, 461178), (756, 384315), (810, 358694), (945, 307452), (1134, 256210), (1260, 230589), (1620, 179347), (1890, 153726), (2268, 128105), (2835, 102484), (3780, 76863), (5670, 51242), (11340, 25621)]