25984980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{503}}^1$

素因数の和:566

約数の個数: 144

約数和(自身を含む): 92461824

約数和(自身を除く): 66476844

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 41, 42, 45, 60, 63, 70, 82, 84, 90, 105, 123, 126, 140, 164, 180, 205, 210, 246, 252, 287, 315, 369, 410, 420, 492, 503, 574, 615, 630, 738, 820, 861, 1006, 1148, 1230, 1260, 1435, 1476, 1509, 1722, 1845, 2012, 2460, 2515, 2583, 2870, 3018, 3444, 3521, 3690, 4305, 4527, 5030, 5166, 5740, 6036, 7042, 7380, 7545, 8610, 9054, 10060, 10332, 10563, 12915, 14084, 15090, 17220, 17605, 18108, 20623, 21126, 22635, 25830, 30180, 31689, 35210, 41246, 42252, 45270, 51660, 52815, 61869, 63378, 70420, 82492, 90540, 103115, 105630, 123738, 126756, 144361, 158445, 185607, 206230, 211260, 247476, 288722, 309345, 316890, 371214, 412460, 433083, 577444, 618690, 633780, 721805, 742428, 866166, 928035, 1237380, 1299249, 1443610, 1732332, 1856070, 2165415, 2598498, 2887220, 3712140, 4330830, 5196996, 6496245, 8661660, 12992490, 25984980]

約数ペア:

[(1, 25984980), (2, 12992490), (3, 8661660), (4, 6496245), (5, 5196996), (6, 4330830), (7, 3712140), (9, 2887220), (10, 2598498), (12, 2165415), (14, 1856070), (15, 1732332), (18, 1443610), (20, 1299249), (21, 1237380), (28, 928035), (30, 866166), (35, 742428), (36, 721805), (41, 633780), (42, 618690), (45, 577444), (60, 433083), (63, 412460), (70, 371214), (82, 316890), (84, 309345), (90, 288722), (105, 247476), (123, 211260), (126, 206230), (140, 185607), (164, 158445), (180, 144361), (205, 126756), (210, 123738), (246, 105630), (252, 103115), (287, 90540), (315, 82492), (369, 70420), (410, 63378), (420, 61869), (492, 52815), (503, 51660), (574, 45270), (615, 42252), (630, 41246), (738, 35210), (820, 31689), (861, 30180), (1006, 25830), (1148, 22635), (1230, 21126), (1260, 20623), (1435, 18108), (1476, 17605), (1509, 17220), (1722, 15090), (1845, 14084), (2012, 12915), (2460, 10563), (2515, 10332), (2583, 10060), (2870, 9054), (3018, 8610), (3444, 7545), (3521, 7380), (3690, 7042), (4305, 6036), (4527, 5740), (5030, 5166)]