218397780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{3361}}^1$

素因数の和:3414

約数の個数: 108

約数和(自身を含む): 699383412

約数和(自身を除く): 480985632

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 361, 380, 570, 684, 722, 855, 1083, 1140, 1444, 1710, 1805, 2166, 3249, 3361, 3420, 3610, 4332, 5415, 6498, 6722, 7220, 10083, 10830, 12996, 13444, 16245, 16805, 20166, 21660, 30249, 32490, 33610, 40332, 50415, 60498, 63859, 64980, 67220, 100830, 120996, 127718, 151245, 191577, 201660, 255436, 302490, 319295, 383154, 574731, 604980, 638590, 766308, 957885, 1149462, 1213321, 1277180, 1915770, 2298924, 2426642, 2873655, 3639963, 3831540, 4853284, 5747310, 6066605, 7279926, 10919889, 11494620, 12133210, 14559852, 18199815, 21839778, 24266420, 36399630, 43679556, 54599445, 72799260, 109198890, 218397780]

約数ペア:

[(1, 218397780), (2, 109198890), (3, 72799260), (4, 54599445), (5, 43679556), (6, 36399630), (9, 24266420), (10, 21839778), (12, 18199815), (15, 14559852), (18, 12133210), (19, 11494620), (20, 10919889), (30, 7279926), (36, 6066605), (38, 5747310), (45, 4853284), (57, 3831540), (60, 3639963), (76, 2873655), (90, 2426642), (95, 2298924), (114, 1915770), (171, 1277180), (180, 1213321), (190, 1149462), (228, 957885), (285, 766308), (342, 638590), (361, 604980), (380, 574731), (570, 383154), (684, 319295), (722, 302490), (855, 255436), (1083, 201660), (1140, 191577), (1444, 151245), (1710, 127718), (1805, 120996), (2166, 100830), (3249, 67220), (3361, 64980), (3420, 63859), (3610, 60498), (4332, 50415), (5415, 40332), (6498, 33610), (6722, 32490), (7220, 30249), (10083, 21660), (10830, 20166), (12996, 16805), (13444, 16245)]