164780980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2447}}^1$

素因数の和:2513

約数の個数: 96

約数和(自身を含む): 437584896

約数和(自身を除く): 272803916

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 37, 52, 65, 70, 74, 91, 130, 140, 148, 182, 185, 259, 260, 364, 370, 455, 481, 518, 740, 910, 962, 1036, 1295, 1820, 1924, 2405, 2447, 2590, 3367, 4810, 4894, 5180, 6734, 9620, 9788, 12235, 13468, 16835, 17129, 24470, 31811, 33670, 34258, 48940, 63622, 67340, 68516, 85645, 90539, 127244, 159055, 171290, 181078, 222677, 318110, 342580, 362156, 445354, 452695, 633773, 636220, 890708, 905390, 1113385, 1177007, 1267546, 1810780, 2226770, 2354014, 2535092, 3168865, 4453540, 4708028, 5885035, 6337730, 8239049, 11770070, 12675460, 16478098, 23540140, 32956196, 41195245, 82390490, 164780980]

約数ペア:

[(1, 164780980), (2, 82390490), (4, 41195245), (5, 32956196), (7, 23540140), (10, 16478098), (13, 12675460), (14, 11770070), (20, 8239049), (26, 6337730), (28, 5885035), (35, 4708028), (37, 4453540), (52, 3168865), (65, 2535092), (70, 2354014), (74, 2226770), (91, 1810780), (130, 1267546), (140, 1177007), (148, 1113385), (182, 905390), (185, 890708), (259, 636220), (260, 633773), (364, 452695), (370, 445354), (455, 362156), (481, 342580), (518, 318110), (740, 222677), (910, 181078), (962, 171290), (1036, 159055), (1295, 127244), (1820, 90539), (1924, 85645), (2405, 68516), (2447, 67340), (2590, 63622), (3367, 48940), (4810, 34258), (4894, 33670), (5180, 31811), (6734, 24470), (9620, 17129), (9788, 16835), (12235, 13468)]