28092120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{631}}^1$

素因数の和:705

約数の個数: 128

約数和(自身を含む): 98288640

約数和(自身を除く): 70196520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 53, 56, 60, 70, 84, 105, 106, 120, 140, 159, 168, 210, 212, 265, 280, 318, 371, 420, 424, 530, 631, 636, 742, 795, 840, 1060, 1113, 1262, 1272, 1484, 1590, 1855, 1893, 2120, 2226, 2524, 2968, 3155, 3180, 3710, 3786, 4417, 4452, 5048, 5565, 6310, 6360, 7420, 7572, 8834, 8904, 9465, 11130, 12620, 13251, 14840, 15144, 17668, 18930, 22085, 22260, 25240, 26502, 33443, 35336, 37860, 44170, 44520, 53004, 66255, 66886, 75720, 88340, 100329, 106008, 132510, 133772, 167215, 176680, 200658, 234101, 265020, 267544, 334430, 401316, 468202, 501645, 530040, 668860, 702303, 802632, 936404, 1003290, 1170505, 1337720, 1404606, 1872808, 2006580, 2341010, 2809212, 3511515, 4013160, 4682020, 5618424, 7023030, 9364040, 14046060, 28092120]

約数ペア:

[(1, 28092120), (2, 14046060), (3, 9364040), (4, 7023030), (5, 5618424), (6, 4682020), (7, 4013160), (8, 3511515), (10, 2809212), (12, 2341010), (14, 2006580), (15, 1872808), (20, 1404606), (21, 1337720), (24, 1170505), (28, 1003290), (30, 936404), (35, 802632), (40, 702303), (42, 668860), (53, 530040), (56, 501645), (60, 468202), (70, 401316), (84, 334430), (105, 267544), (106, 265020), (120, 234101), (140, 200658), (159, 176680), (168, 167215), (210, 133772), (212, 132510), (265, 106008), (280, 100329), (318, 88340), (371, 75720), (420, 66886), (424, 66255), (530, 53004), (631, 44520), (636, 44170), (742, 37860), (795, 35336), (840, 33443), (1060, 26502), (1113, 25240), (1262, 22260), (1272, 22085), (1484, 18930), (1590, 17668), (1855, 15144), (1893, 14840), (2120, 13251), (2226, 12620), (2524, 11130), (2968, 9465), (3155, 8904), (3180, 8834), (3710, 7572), (3786, 7420), (4417, 6360), (4452, 6310), (5048, 5565)]