220613940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{257}}^1$

素因数の和:542

約数の個数: 144

約数和(自身を含む): 709974720

約数和(自身を除く): 489360780

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, 251, 257, 285, 342, 380, 502, 514, 570, 684, 753, 771, 855, 1004, 1028, 1140, 1255, 1285, 1506, 1542, 1710, 2259, 2313, 2510, 2570, 3012, 3084, 3420, 3765, 3855, 4518, 4626, 4769, 4883, 5020, 5140, 7530, 7710, 9036, 9252, 9538, 9766, 11295, 11565, 14307, 14649, 15060, 15420, 19076, 19532, 22590, 23130, 23845, 24415, 28614, 29298, 42921, 43947, 45180, 46260, 47690, 48830, 57228, 58596, 64507, 71535, 73245, 85842, 87894, 95380, 97660, 129014, 143070, 146490, 171684, 175788, 193521, 214605, 219735, 258028, 286140, 292980, 322535, 387042, 429210, 439470, 580563, 645070, 774084, 858420, 878940, 967605, 1161126, 1225633, 1290140, 1935210, 2322252, 2451266, 2902815, 3676899, 3870420, 4902532, 5805630, 6128165, 7353798, 11030697, 11611260, 12256330, 14707596, 18384495, 22061394, 24512660, 36768990, 44122788, 55153485, 73537980, 110306970, 220613940]

約数ペア:

[(1, 220613940), (2, 110306970), (3, 73537980), (4, 55153485), (5, 44122788), (6, 36768990), (9, 24512660), (10, 22061394), (12, 18384495), (15, 14707596), (18, 12256330), (19, 11611260), (20, 11030697), (30, 7353798), (36, 6128165), (38, 5805630), (45, 4902532), (57, 3870420), (60, 3676899), (76, 2902815), (90, 2451266), (95, 2322252), (114, 1935210), (171, 1290140), (180, 1225633), (190, 1161126), (228, 967605), (251, 878940), (257, 858420), (285, 774084), (342, 645070), (380, 580563), (502, 439470), (514, 429210), (570, 387042), (684, 322535), (753, 292980), (771, 286140), (855, 258028), (1004, 219735), (1028, 214605), (1140, 193521), (1255, 175788), (1285, 171684), (1506, 146490), (1542, 143070), (1710, 129014), (2259, 97660), (2313, 95380), (2510, 87894), (2570, 85842), (3012, 73245), (3084, 71535), (3420, 64507), (3765, 58596), (3855, 57228), (4518, 48830), (4626, 47690), (4769, 46260), (4883, 45180), (5020, 43947), (5140, 42921), (7530, 29298), (7710, 28614), (9036, 24415), (9252, 23845), (9538, 23130), (9766, 22590), (11295, 19532), (11565, 19076), (14307, 15420), (14649, 15060)]