20165007780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{237851}}^1$

素因数の和:238026

約数の個数: 96

約数和(自身を含む): 63135434880

約数和(自身を除く): 42970427100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 157, 180, 270, 314, 471, 540, 628, 785, 942, 1413, 1570, 1884, 2355, 2826, 3140, 4239, 4710, 5652, 7065, 8478, 9420, 14130, 16956, 21195, 28260, 42390, 84780, 237851, 475702, 713553, 951404, 1189255, 1427106, 2140659, 2378510, 2854212, 3567765, 4281318, 4757020, 6421977, 7135530, 8562636, 10703295, 12843954, 14271060, 21406590, 25687908, 32109885, 37342607, 42813180, 64219770, 74685214, 112027821, 128439540, 149370428, 186713035, 224055642, 336083463, 373426070, 448111284, 560139105, 672166926, 746852140, 1008250389, 1120278210, 1344333852, 1680417315, 2016500778, 2240556420, 3360834630, 4033001556, 5041251945, 6721669260, 10082503890, 20165007780]

約数ペア:

[(1, 20165007780), (2, 10082503890), (3, 6721669260), (4, 5041251945), (5, 4033001556), (6, 3360834630), (9, 2240556420), (10, 2016500778), (12, 1680417315), (15, 1344333852), (18, 1120278210), (20, 1008250389), (27, 746852140), (30, 672166926), (36, 560139105), (45, 448111284), (54, 373426070), (60, 336083463), (90, 224055642), (108, 186713035), (135, 149370428), (157, 128439540), (180, 112027821), (270, 74685214), (314, 64219770), (471, 42813180), (540, 37342607), (628, 32109885), (785, 25687908), (942, 21406590), (1413, 14271060), (1570, 12843954), (1884, 10703295), (2355, 8562636), (2826, 7135530), (3140, 6421977), (4239, 4757020), (4710, 4281318), (5652, 3567765), (7065, 2854212), (8478, 2378510), (9420, 2140659), (14130, 1427106), (16956, 1189255), (21195, 951404), (28260, 713553), (42390, 475702), (84780, 237851)]