27471990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{347}}^1$

素因数の和:406

約数の個数: 128

約数和(自身を含む): 84188160

約数和(自身を除く): 56716170

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 29, 30, 35, 39, 42, 58, 65, 70, 78, 87, 91, 105, 130, 145, 174, 182, 195, 203, 210, 273, 290, 347, 377, 390, 406, 435, 455, 546, 609, 694, 754, 870, 910, 1015, 1041, 1131, 1218, 1365, 1735, 1885, 2030, 2082, 2262, 2429, 2639, 2730, 3045, 3470, 3770, 4511, 4858, 5205, 5278, 5655, 6090, 7287, 7917, 9022, 10063, 10410, 11310, 12145, 13195, 13533, 14574, 15834, 20126, 22555, 24290, 26390, 27066, 30189, 31577, 36435, 39585, 45110, 50315, 60378, 63154, 67665, 70441, 72870, 79170, 94731, 100630, 130819, 135330, 140882, 150945, 157885, 189462, 211323, 261638, 301890, 315770, 352205, 392457, 422646, 473655, 654095, 704410, 784914, 915733, 947310, 1056615, 1308190, 1831466, 1962285, 2113230, 2747199, 3924570, 4578665, 5494398, 9157330, 13735995, 27471990]

約数ペア:

[(1, 27471990), (2, 13735995), (3, 9157330), (5, 5494398), (6, 4578665), (7, 3924570), (10, 2747199), (13, 2113230), (14, 1962285), (15, 1831466), (21, 1308190), (26, 1056615), (29, 947310), (30, 915733), (35, 784914), (39, 704410), (42, 654095), (58, 473655), (65, 422646), (70, 392457), (78, 352205), (87, 315770), (91, 301890), (105, 261638), (130, 211323), (145, 189462), (174, 157885), (182, 150945), (195, 140882), (203, 135330), (210, 130819), (273, 100630), (290, 94731), (347, 79170), (377, 72870), (390, 70441), (406, 67665), (435, 63154), (455, 60378), (546, 50315), (609, 45110), (694, 39585), (754, 36435), (870, 31577), (910, 30189), (1015, 27066), (1041, 26390), (1131, 24290), (1218, 22555), (1365, 20126), (1735, 15834), (1885, 14574), (2030, 13533), (2082, 13195), (2262, 12145), (2429, 11310), (2639, 10410), (2730, 10063), (3045, 9022), (3470, 7917), (3770, 7287), (4511, 6090), (4858, 5655), (5205, 5278)]