28503720

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{11311}}^1$

素因数の和:11335

約数の個数: 96

約数和(自身を含む): 105880320

約数和(自身を除く): 77376600

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, 11311, 22622, 33933, 45244, 56555, 67866, 79177, 90488, 101799, 113110, 135732, 158354, 169665, 203598, 226220, 237531, 271464, 316708, 339330, 395885, 407196, 452440, 475062, 508995, 633416, 678660, 712593, 791770, 814392, 950124, 1017990, 1187655, 1357320, 1425186, 1583540, 1900248, 2035980, 2375310, 2850372, 3167080, 3562965, 4071960, 4750620, 5700744, 7125930, 9501240, 14251860, 28503720]

約数ペア:

[(1, 28503720), (2, 14251860), (3, 9501240), (4, 7125930), (5, 5700744), (6, 4750620), (7, 4071960), (8, 3562965), (9, 3167080), (10, 2850372), (12, 2375310), (14, 2035980), (15, 1900248), (18, 1583540), (20, 1425186), (21, 1357320), (24, 1187655), (28, 1017990), (30, 950124), (35, 814392), (36, 791770), (40, 712593), (42, 678660), (45, 633416), (56, 508995), (60, 475062), (63, 452440), (70, 407196), (72, 395885), (84, 339330), (90, 316708), (105, 271464), (120, 237531), (126, 226220), (140, 203598), (168, 169665), (180, 158354), (210, 135732), (252, 113110), (280, 101799), (315, 90488), (360, 79177), (420, 67866), (504, 56555), (630, 45244), (840, 33933), (1260, 22622), (2520, 11311)]