161221320

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{11483}}^1$

素因数の和:11516

約数の個数: 128

約数和(自身を含む): 578793600

約数和(自身を除く): 417572280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 90, 104, 108, 117, 120, 130, 135, 156, 180, 195, 216, 234, 260, 270, 312, 351, 360, 390, 468, 520, 540, 585, 702, 780, 936, 1080, 1170, 1404, 1560, 1755, 2340, 2808, 3510, 4680, 7020, 11483, 14040, 22966, 34449, 45932, 57415, 68898, 91864, 103347, 114830, 137796, 149279, 172245, 206694, 229660, 275592, 298558, 310041, 344490, 413388, 447837, 459320, 516735, 597116, 620082, 688980, 746395, 826776, 895674, 1033470, 1194232, 1240164, 1343511, 1377960, 1492790, 1550205, 1791348, 2066940, 2239185, 2480328, 2687022, 2985580, 3100410, 3582696, 4030533, 4133880, 4478370, 5374044, 5971160, 6200820, 6717555, 8061066, 8956740, 10748088, 12401640, 13435110, 16122132, 17913480, 20152665, 26870220, 32244264, 40305330, 53740440, 80610660, 161221320]

約数ペア:

[(1, 161221320), (2, 80610660), (3, 53740440), (4, 40305330), (5, 32244264), (6, 26870220), (8, 20152665), (9, 17913480), (10, 16122132), (12, 13435110), (13, 12401640), (15, 10748088), (18, 8956740), (20, 8061066), (24, 6717555), (26, 6200820), (27, 5971160), (30, 5374044), (36, 4478370), (39, 4133880), (40, 4030533), (45, 3582696), (52, 3100410), (54, 2985580), (60, 2687022), (65, 2480328), (72, 2239185), (78, 2066940), (90, 1791348), (104, 1550205), (108, 1492790), (117, 1377960), (120, 1343511), (130, 1240164), (135, 1194232), (156, 1033470), (180, 895674), (195, 826776), (216, 746395), (234, 688980), (260, 620082), (270, 597116), (312, 516735), (351, 459320), (360, 447837), (390, 413388), (468, 344490), (520, 310041), (540, 298558), (585, 275592), (702, 229660), (780, 206694), (936, 172245), (1080, 149279), (1170, 137796), (1404, 114830), (1560, 103347), (1755, 91864), (2340, 68898), (2808, 57415), (3510, 45932), (4680, 34449), (7020, 22966), (11483, 14040)]