28227420

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4021}}^1$

素因数の和:4052

約数の個数: 96

約数和(自身を含む): 94597440

約数和(自身を除く): 66370020

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, 4021, 7020, 8042, 12063, 16084, 20105, 24126, 36189, 40210, 48252, 52273, 60315, 72378, 80420, 104546, 108567, 120630, 144756, 156819, 180945, 209092, 217134, 241260, 261365, 313638, 361890, 434268, 470457, 522730, 542835, 627276, 723780, 784095, 940914, 1045460, 1085670, 1411371, 1568190, 1881828, 2171340, 2352285, 2822742, 3136380, 4704570, 5645484, 7056855, 9409140, 14113710, 28227420]

約数ペア:

[(1, 28227420), (2, 14113710), (3, 9409140), (4, 7056855), (5, 5645484), (6, 4704570), (9, 3136380), (10, 2822742), (12, 2352285), (13, 2171340), (15, 1881828), (18, 1568190), (20, 1411371), (26, 1085670), (27, 1045460), (30, 940914), (36, 784095), (39, 723780), (45, 627276), (52, 542835), (54, 522730), (60, 470457), (65, 434268), (78, 361890), (90, 313638), (108, 261365), (117, 241260), (130, 217134), (135, 209092), (156, 180945), (180, 156819), (195, 144756), (234, 120630), (260, 108567), (270, 104546), (351, 80420), (390, 72378), (468, 60315), (540, 52273), (585, 48252), (702, 40210), (780, 36189), (1170, 24126), (1404, 20105), (1755, 16084), (2340, 12063), (3510, 8042), (4021, 7020)]