28063980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{22273}}^1$

素因数の和:22295

約数の個数: 72

約数和(自身を含む): 97292832

約数和(自身を除く): 69228852

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 22273, 44546, 66819, 89092, 111365, 133638, 155911, 200457, 222730, 267276, 311822, 334095, 400914, 445460, 467733, 623644, 668190, 779555, 801828, 935466, 1002285, 1336380, 1403199, 1559110, 1870932, 2004570, 2338665, 2806398, 3118220, 4009140, 4677330, 5612796, 7015995, 9354660, 14031990, 28063980]

約数ペア:

[(1, 28063980), (2, 14031990), (3, 9354660), (4, 7015995), (5, 5612796), (6, 4677330), (7, 4009140), (9, 3118220), (10, 2806398), (12, 2338665), (14, 2004570), (15, 1870932), (18, 1559110), (20, 1403199), (21, 1336380), (28, 1002285), (30, 935466), (35, 801828), (36, 779555), (42, 668190), (45, 623644), (60, 467733), (63, 445460), (70, 400914), (84, 334095), (90, 311822), (105, 267276), (126, 222730), (140, 200457), (180, 155911), (210, 133638), (252, 111365), (315, 89092), (420, 66819), (630, 44546), (1260, 22273)]