28171260

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4013}}^1$

素因数の和:4044

約数の個数: 96

約数和(自身を含む): 94409280

約数和(自身を除く): 66238020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 90, 108, 117, 130, 135, 156, 180, 195, 234, 260, 270, 351, 390, 468, 540, 585, 702, 780, 1170, 1404, 1755, 2340, 3510, 4013, 7020, 8026, 12039, 16052, 20065, 24078, 36117, 40130, 48156, 52169, 60195, 72234, 80260, 104338, 108351, 120390, 144468, 156507, 180585, 208676, 216702, 240780, 260845, 313014, 361170, 433404, 469521, 521690, 541755, 626028, 722340, 782535, 939042, 1043380, 1083510, 1408563, 1565070, 1878084, 2167020, 2347605, 2817126, 3130140, 4695210, 5634252, 7042815, 9390420, 14085630, 28171260]

約数ペア:

[(1, 28171260), (2, 14085630), (3, 9390420), (4, 7042815), (5, 5634252), (6, 4695210), (9, 3130140), (10, 2817126), (12, 2347605), (13, 2167020), (15, 1878084), (18, 1565070), (20, 1408563), (26, 1083510), (27, 1043380), (30, 939042), (36, 782535), (39, 722340), (45, 626028), (52, 541755), (54, 521690), (60, 469521), (65, 433404), (78, 361170), (90, 313014), (108, 260845), (117, 240780), (130, 216702), (135, 208676), (156, 180585), (180, 156507), (195, 144468), (234, 120390), (260, 108351), (270, 104338), (351, 80260), (390, 72234), (468, 60195), (540, 52169), (585, 48156), (702, 40130), (780, 36117), (1170, 24078), (1404, 20065), (1755, 16052), (2340, 12039), (3510, 8026), (4013, 7020)]