78820740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{1213}}^1$

素因数の和:1266

約数の個数: 108

約数和(自身を含む): 252543564

約数和(自身を除く): 173722824

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, 1213, 1444, 1710, 1805, 2166, 2426, 3249, 3420, 3610, 3639, 4332, 4852, 5415, 6065, 6498, 7220, 7278, 10830, 10917, 12130, 12996, 14556, 16245, 18195, 21660, 21834, 23047, 24260, 32490, 36390, 43668, 46094, 54585, 64980, 69141, 72780, 92188, 109170, 115235, 138282, 207423, 218340, 230470, 276564, 345705, 414846, 437893, 460940, 691410, 829692, 875786, 1037115, 1313679, 1382820, 1751572, 2074230, 2189465, 2627358, 3941037, 4148460, 4378930, 5254716, 6568395, 7882074, 8757860, 13136790, 15764148, 19705185, 26273580, 39410370, 78820740]

約数ペア:

[(1, 78820740), (2, 39410370), (3, 26273580), (4, 19705185), (5, 15764148), (6, 13136790), (9, 8757860), (10, 7882074), (12, 6568395), (15, 5254716), (18, 4378930), (19, 4148460), (20, 3941037), (30, 2627358), (36, 2189465), (38, 2074230), (45, 1751572), (57, 1382820), (60, 1313679), (76, 1037115), (90, 875786), (95, 829692), (114, 691410), (171, 460940), (180, 437893), (190, 414846), (228, 345705), (285, 276564), (342, 230470), (361, 218340), (380, 207423), (570, 138282), (684, 115235), (722, 109170), (855, 92188), (1083, 72780), (1140, 69141), (1213, 64980), (1444, 54585), (1710, 46094), (1805, 43668), (2166, 36390), (2426, 32490), (3249, 24260), (3420, 23047), (3610, 21834), (3639, 21660), (4332, 18195), (4852, 16245), (5415, 14556), (6065, 12996), (6498, 12130), (7220, 10917), (7278, 10830)]