80784340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{373}}^1$

素因数の和:426

約数の個数: 144

約数和(自身を含む): 225629712

約数和(自身を除く): 144845372

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 17, 20, 26, 28, 34, 35, 49, 52, 65, 68, 70, 85, 91, 98, 119, 130, 140, 170, 182, 196, 221, 238, 245, 260, 340, 364, 373, 442, 455, 476, 490, 595, 637, 746, 833, 884, 910, 980, 1105, 1190, 1274, 1492, 1547, 1666, 1820, 1865, 2210, 2380, 2548, 2611, 3094, 3185, 3332, 3730, 4165, 4420, 4849, 5222, 6188, 6341, 6370, 7460, 7735, 8330, 9698, 10444, 10829, 12682, 12740, 13055, 15470, 16660, 18277, 19396, 21658, 24245, 25364, 26110, 30940, 31705, 33943, 36554, 43316, 44387, 48490, 52220, 54145, 63410, 67886, 73108, 82433, 88774, 91385, 96980, 108290, 126820, 135772, 164866, 169715, 177548, 182770, 216580, 221935, 237601, 310709, 329732, 339430, 365540, 412165, 443870, 475202, 577031, 621418, 678860, 824330, 887740, 950404, 1154062, 1188005, 1242836, 1553545, 1648660, 2308124, 2376010, 2885155, 3107090, 4039217, 4752020, 5770310, 6214180, 8078434, 11540620, 16156868, 20196085, 40392170, 80784340]

約数ペア:

[(1, 80784340), (2, 40392170), (4, 20196085), (5, 16156868), (7, 11540620), (10, 8078434), (13, 6214180), (14, 5770310), (17, 4752020), (20, 4039217), (26, 3107090), (28, 2885155), (34, 2376010), (35, 2308124), (49, 1648660), (52, 1553545), (65, 1242836), (68, 1188005), (70, 1154062), (85, 950404), (91, 887740), (98, 824330), (119, 678860), (130, 621418), (140, 577031), (170, 475202), (182, 443870), (196, 412165), (221, 365540), (238, 339430), (245, 329732), (260, 310709), (340, 237601), (364, 221935), (373, 216580), (442, 182770), (455, 177548), (476, 169715), (490, 164866), (595, 135772), (637, 126820), (746, 108290), (833, 96980), (884, 91385), (910, 88774), (980, 82433), (1105, 73108), (1190, 67886), (1274, 63410), (1492, 54145), (1547, 52220), (1666, 48490), (1820, 44387), (1865, 43316), (2210, 36554), (2380, 33943), (2548, 31705), (2611, 30940), (3094, 26110), (3185, 25364), (3332, 24245), (3730, 21658), (4165, 19396), (4420, 18277), (4849, 16660), (5222, 15470), (6188, 13055), (6341, 12740), (6370, 12682), (7460, 10829), (7735, 10444), (8330, 9698)]