218663460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{263}}^1$

素因数の和:458

約数の個数: 144

約数和(自身を含む): 691891200

約数和(自身を除く): 473227740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 149, 155, 180, 186, 263, 279, 298, 310, 372, 447, 465, 526, 558, 596, 620, 745, 789, 894, 930, 1052, 1116, 1315, 1341, 1395, 1490, 1578, 1788, 1860, 2235, 2367, 2630, 2682, 2790, 2980, 3156, 3945, 4470, 4619, 4734, 5260, 5364, 5580, 6705, 7890, 8153, 8940, 9238, 9468, 11835, 13410, 13857, 15780, 16306, 18476, 23095, 23670, 24459, 26820, 27714, 32612, 39187, 40765, 41571, 46190, 47340, 48918, 55428, 69285, 73377, 78374, 81530, 83142, 92380, 97836, 117561, 122295, 138570, 146754, 156748, 163060, 166284, 195935, 207855, 235122, 244590, 277140, 293508, 352683, 366885, 391870, 415710, 470244, 489180, 587805, 705366, 733770, 783740, 831420, 1175610, 1214797, 1410732, 1467540, 1763415, 2351220, 2429594, 3526830, 3644391, 4859188, 6073985, 7053660, 7288782, 10933173, 12147970, 14577564, 18221955, 21866346, 24295940, 36443910, 43732692, 54665865, 72887820, 109331730, 218663460]

約数ペア:

[(1, 218663460), (2, 109331730), (3, 72887820), (4, 54665865), (5, 43732692), (6, 36443910), (9, 24295940), (10, 21866346), (12, 18221955), (15, 14577564), (18, 12147970), (20, 10933173), (30, 7288782), (31, 7053660), (36, 6073985), (45, 4859188), (60, 3644391), (62, 3526830), (90, 2429594), (93, 2351220), (124, 1763415), (149, 1467540), (155, 1410732), (180, 1214797), (186, 1175610), (263, 831420), (279, 783740), (298, 733770), (310, 705366), (372, 587805), (447, 489180), (465, 470244), (526, 415710), (558, 391870), (596, 366885), (620, 352683), (745, 293508), (789, 277140), (894, 244590), (930, 235122), (1052, 207855), (1116, 195935), (1315, 166284), (1341, 163060), (1395, 156748), (1490, 146754), (1578, 138570), (1788, 122295), (1860, 117561), (2235, 97836), (2367, 92380), (2630, 83142), (2682, 81530), (2790, 78374), (2980, 73377), (3156, 69285), (3945, 55428), (4470, 48918), (4619, 47340), (4734, 46190), (5260, 41571), (5364, 40765), (5580, 39187), (6705, 32612), (7890, 27714), (8153, 26820), (8940, 24459), (9238, 23670), (9468, 23095), (11835, 18476), (13410, 16306), (13857, 15780)]