285306420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{1831}}^1$

素因数の和:1910

約数の個数: 144

約数和(自身を含む): 947334528

約数和(自身を除く): 662028108

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 53, 60, 70, 84, 98, 105, 106, 140, 147, 159, 196, 210, 212, 245, 265, 294, 318, 371, 420, 490, 530, 588, 636, 735, 742, 795, 980, 1060, 1113, 1470, 1484, 1590, 1831, 1855, 2226, 2597, 2940, 3180, 3662, 3710, 4452, 5194, 5493, 5565, 7324, 7420, 7791, 9155, 10388, 10986, 11130, 12817, 12985, 15582, 18310, 21972, 22260, 25634, 25970, 27465, 31164, 36620, 38451, 38955, 51268, 51940, 54930, 64085, 76902, 77910, 89719, 97043, 109860, 128170, 153804, 155820, 179438, 192255, 194086, 256340, 269157, 291129, 358876, 384510, 388172, 448595, 485215, 538314, 582258, 679301, 769020, 897190, 970430, 1076628, 1164516, 1345785, 1358602, 1455645, 1794380, 1940860, 2037903, 2691570, 2717204, 2911290, 3396505, 4075806, 4755107, 5383140, 5822580, 6793010, 8151612, 9510214, 10189515, 13586020, 14265321, 19020428, 20379030, 23775535, 28530642, 40758060, 47551070, 57061284, 71326605, 95102140, 142653210, 285306420]

約数ペア:

[(1, 285306420), (2, 142653210), (3, 95102140), (4, 71326605), (5, 57061284), (6, 47551070), (7, 40758060), (10, 28530642), (12, 23775535), (14, 20379030), (15, 19020428), (20, 14265321), (21, 13586020), (28, 10189515), (30, 9510214), (35, 8151612), (42, 6793010), (49, 5822580), (53, 5383140), (60, 4755107), (70, 4075806), (84, 3396505), (98, 2911290), (105, 2717204), (106, 2691570), (140, 2037903), (147, 1940860), (159, 1794380), (196, 1455645), (210, 1358602), (212, 1345785), (245, 1164516), (265, 1076628), (294, 970430), (318, 897190), (371, 769020), (420, 679301), (490, 582258), (530, 538314), (588, 485215), (636, 448595), (735, 388172), (742, 384510), (795, 358876), (980, 291129), (1060, 269157), (1113, 256340), (1470, 194086), (1484, 192255), (1590, 179438), (1831, 155820), (1855, 153804), (2226, 128170), (2597, 109860), (2940, 97043), (3180, 89719), (3662, 77910), (3710, 76902), (4452, 64085), (5194, 54930), (5493, 51940), (5565, 51268), (7324, 38955), (7420, 38451), (7791, 36620), (9155, 31164), (10388, 27465), (10986, 25970), (11130, 25634), (12817, 22260), (12985, 21972), (15582, 18310)]