284380720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{2819}}^1$

素因数の和:2942

約数の個数: 80

約数和(自身を含む): 719641440

約数和(自身を除く): 435260720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 97, 104, 130, 194, 208, 260, 388, 485, 520, 776, 970, 1040, 1261, 1552, 1940, 2522, 2819, 3880, 5044, 5638, 6305, 7760, 10088, 11276, 12610, 14095, 20176, 22552, 25220, 28190, 36647, 45104, 50440, 56380, 73294, 100880, 112760, 146588, 183235, 225520, 273443, 293176, 366470, 546886, 586352, 732940, 1093772, 1367215, 1465880, 2187544, 2734430, 2931760, 3554759, 4375088, 5468860, 7109518, 10937720, 14219036, 17773795, 21875440, 28438072, 35547590, 56876144, 71095180, 142190360, 284380720]

約数ペア:

[(1, 284380720), (2, 142190360), (4, 71095180), (5, 56876144), (8, 35547590), (10, 28438072), (13, 21875440), (16, 17773795), (20, 14219036), (26, 10937720), (40, 7109518), (52, 5468860), (65, 4375088), (80, 3554759), (97, 2931760), (104, 2734430), (130, 2187544), (194, 1465880), (208, 1367215), (260, 1093772), (388, 732940), (485, 586352), (520, 546886), (776, 366470), (970, 293176), (1040, 273443), (1261, 225520), (1552, 183235), (1940, 146588), (2522, 112760), (2819, 100880), (3880, 73294), (5044, 56380), (5638, 50440), (6305, 45104), (7760, 36647), (10088, 28190), (11276, 25220), (12610, 22552), (14095, 20176)]