163965620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3917}}^1$

素因数の和:3969

約数の個数: 96

約数和(自身を含む): 442326528

約数和(自身を除く): 278360908

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 23, 26, 28, 35, 46, 52, 65, 70, 91, 92, 115, 130, 140, 161, 182, 230, 260, 299, 322, 364, 455, 460, 598, 644, 805, 910, 1196, 1495, 1610, 1820, 2093, 2990, 3220, 3917, 4186, 5980, 7834, 8372, 10465, 15668, 19585, 20930, 27419, 39170, 41860, 50921, 54838, 78340, 90091, 101842, 109676, 137095, 180182, 203684, 254605, 274190, 356447, 360364, 450455, 509210, 548380, 630637, 712894, 900910, 1018420, 1171183, 1261274, 1425788, 1782235, 1801820, 2342366, 2522548, 3153185, 3564470, 4684732, 5855915, 6306370, 7128940, 8198281, 11711830, 12612740, 16396562, 23423660, 32793124, 40991405, 81982810, 163965620]

約数ペア:

[(1, 163965620), (2, 81982810), (4, 40991405), (5, 32793124), (7, 23423660), (10, 16396562), (13, 12612740), (14, 11711830), (20, 8198281), (23, 7128940), (26, 6306370), (28, 5855915), (35, 4684732), (46, 3564470), (52, 3153185), (65, 2522548), (70, 2342366), (91, 1801820), (92, 1782235), (115, 1425788), (130, 1261274), (140, 1171183), (161, 1018420), (182, 900910), (230, 712894), (260, 630637), (299, 548380), (322, 509210), (364, 450455), (455, 360364), (460, 356447), (598, 274190), (644, 254605), (805, 203684), (910, 180182), (1196, 137095), (1495, 109676), (1610, 101842), (1820, 90091), (2093, 78340), (2990, 54838), (3220, 50921), (3917, 41860), (4186, 39170), (5980, 27419), (7834, 20930), (8372, 19585), (10465, 15668)]