28621710

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1439}}^1$

素因数の和:1482

約数の個数: 96

約数和(自身を含む): 84913920

約数和(自身を除く): 56292210

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 17, 18, 26, 30, 34, 39, 45, 51, 65, 78, 85, 90, 102, 117, 130, 153, 170, 195, 221, 234, 255, 306, 390, 442, 510, 585, 663, 765, 1105, 1170, 1326, 1439, 1530, 1989, 2210, 2878, 3315, 3978, 4317, 6630, 7195, 8634, 9945, 12951, 14390, 18707, 19890, 21585, 24463, 25902, 37414, 43170, 48926, 56121, 64755, 73389, 93535, 112242, 122315, 129510, 146778, 168363, 187070, 220167, 244630, 280605, 318019, 336726, 366945, 440334, 561210, 636038, 733890, 841815, 954057, 1100835, 1590095, 1683630, 1908114, 2201670, 2862171, 3180190, 4770285, 5724342, 9540570, 14310855, 28621710]

約数ペア:

[(1, 28621710), (2, 14310855), (3, 9540570), (5, 5724342), (6, 4770285), (9, 3180190), (10, 2862171), (13, 2201670), (15, 1908114), (17, 1683630), (18, 1590095), (26, 1100835), (30, 954057), (34, 841815), (39, 733890), (45, 636038), (51, 561210), (65, 440334), (78, 366945), (85, 336726), (90, 318019), (102, 280605), (117, 244630), (130, 220167), (153, 187070), (170, 168363), (195, 146778), (221, 129510), (234, 122315), (255, 112242), (306, 93535), (390, 73389), (442, 64755), (510, 56121), (585, 48926), (663, 43170), (765, 37414), (1105, 25902), (1170, 24463), (1326, 21585), (1439, 19890), (1530, 18707), (1989, 14390), (2210, 12951), (2878, 9945), (3315, 8634), (3978, 7195), (4317, 6630)]