40980660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{263}}^1$

素因数の和:342

約数の個数: 144

約数和(自身を含む): 136515456

約数和(自身を除く): 95534796

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, 263, 265, 294, 318, 371, 420, 490, 526, 530, 588, 636, 735, 742, 789, 795, 980, 1052, 1060, 1113, 1315, 1470, 1484, 1578, 1590, 1841, 1855, 2226, 2597, 2630, 2940, 3156, 3180, 3682, 3710, 3945, 4452, 5194, 5260, 5523, 5565, 7364, 7420, 7791, 7890, 9205, 10388, 11046, 11130, 12887, 12985, 13939, 15582, 15780, 18410, 22092, 22260, 25774, 25970, 27615, 27878, 31164, 36820, 38661, 38955, 41817, 51548, 51940, 55230, 55756, 64435, 69695, 77322, 77910, 83634, 97573, 110460, 128870, 139390, 154644, 155820, 167268, 193305, 195146, 209085, 257740, 278780, 292719, 386610, 390292, 418170, 487865, 585438, 683011, 773220, 836340, 975730, 1170876, 1366022, 1463595, 1951460, 2049033, 2732044, 2927190, 3415055, 4098066, 5854380, 6830110, 8196132, 10245165, 13660220, 20490330, 40980660]

約数ペア:

[(1, 40980660), (2, 20490330), (3, 13660220), (4, 10245165), (5, 8196132), (6, 6830110), (7, 5854380), (10, 4098066), (12, 3415055), (14, 2927190), (15, 2732044), (20, 2049033), (21, 1951460), (28, 1463595), (30, 1366022), (35, 1170876), (42, 975730), (49, 836340), (53, 773220), (60, 683011), (70, 585438), (84, 487865), (98, 418170), (105, 390292), (106, 386610), (140, 292719), (147, 278780), (159, 257740), (196, 209085), (210, 195146), (212, 193305), (245, 167268), (263, 155820), (265, 154644), (294, 139390), (318, 128870), (371, 110460), (420, 97573), (490, 83634), (526, 77910), (530, 77322), (588, 69695), (636, 64435), (735, 55756), (742, 55230), (789, 51940), (795, 51548), (980, 41817), (1052, 38955), (1060, 38661), (1113, 36820), (1315, 31164), (1470, 27878), (1484, 27615), (1578, 25970), (1590, 25774), (1841, 22260), (1855, 22092), (2226, 18410), (2597, 15780), (2630, 15582), (2940, 13939), (3156, 12985), (3180, 12887), (3682, 11130), (3710, 11046), (3945, 10388), (4452, 9205), (5194, 7890), (5260, 7791), (5523, 7420), (5565, 7364)]