28019880

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{11119}}^1$

素因数の和:11143

約数の個数: 96

約数和(自身を含む): 104083200

約数和(自身を除く): 76063320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 11119, 22238, 33357, 44476, 55595, 66714, 77833, 88952, 100071, 111190, 133428, 155666, 166785, 200142, 222380, 233499, 266856, 311332, 333570, 389165, 400284, 444760, 466998, 500355, 622664, 667140, 700497, 778330, 800568, 933996, 1000710, 1167495, 1334280, 1400994, 1556660, 1867992, 2001420, 2334990, 2801988, 3113320, 3502485, 4002840, 4669980, 5603976, 7004970, 9339960, 14009940, 28019880]

約数ペア:

[(1, 28019880), (2, 14009940), (3, 9339960), (4, 7004970), (5, 5603976), (6, 4669980), (7, 4002840), (8, 3502485), (9, 3113320), (10, 2801988), (12, 2334990), (14, 2001420), (15, 1867992), (18, 1556660), (20, 1400994), (21, 1334280), (24, 1167495), (28, 1000710), (30, 933996), (35, 800568), (36, 778330), (40, 700497), (42, 667140), (45, 622664), (56, 500355), (60, 466998), (63, 444760), (70, 400284), (72, 389165), (84, 333570), (90, 311332), (105, 266856), (120, 233499), (126, 222380), (140, 200142), (168, 166785), (180, 155666), (210, 133428), (252, 111190), (280, 100071), (315, 88952), (360, 77833), (420, 66714), (504, 55595), (630, 44476), (840, 33357), (1260, 22238), (2520, 11119)]