288715980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{1531}}^1$

素因数の和:1999

約数の個数: 96

約数和(自身を含む): 926553600

約数和(自身を除く): 637837620

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 449, 898, 1347, 1531, 1796, 2245, 2694, 3062, 3143, 4490, 4593, 5388, 6124, 6286, 6735, 7655, 8980, 9186, 9429, 10717, 12572, 13470, 15310, 15715, 18372, 18858, 21434, 22965, 26940, 30620, 31430, 32151, 37716, 42868, 45930, 47145, 53585, 62860, 64302, 91860, 94290, 107170, 128604, 160755, 188580, 214340, 321510, 643020, 687419, 1374838, 2062257, 2749676, 3437095, 4124514, 4811933, 6874190, 8249028, 9623866, 10311285, 13748380, 14435799, 19247732, 20622570, 24059665, 28871598, 41245140, 48119330, 57743196, 72178995, 96238660, 144357990, 288715980]

約数ペア:

[(1, 288715980), (2, 144357990), (3, 96238660), (4, 72178995), (5, 57743196), (6, 48119330), (7, 41245140), (10, 28871598), (12, 24059665), (14, 20622570), (15, 19247732), (20, 14435799), (21, 13748380), (28, 10311285), (30, 9623866), (35, 8249028), (42, 6874190), (60, 4811933), (70, 4124514), (84, 3437095), (105, 2749676), (140, 2062257), (210, 1374838), (420, 687419), (449, 643020), (898, 321510), (1347, 214340), (1531, 188580), (1796, 160755), (2245, 128604), (2694, 107170), (3062, 94290), (3143, 91860), (4490, 64302), (4593, 62860), (5388, 53585), (6124, 47145), (6286, 45930), (6735, 42868), (7655, 37716), (8980, 32151), (9186, 31430), (9429, 30620), (10717, 26940), (12572, 22965), (13470, 21434), (15310, 18858), (15715, 18372)]