56816460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{449}}^1$

素因数の和:520

約数の個数: 144

約数和(自身を含む): 186732000

約数和(自身を除く): 129915540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 37, 38, 45, 57, 60, 74, 76, 90, 95, 111, 114, 148, 171, 180, 185, 190, 222, 228, 285, 333, 342, 370, 380, 444, 449, 555, 570, 666, 684, 703, 740, 855, 898, 1110, 1140, 1332, 1347, 1406, 1665, 1710, 1796, 2109, 2220, 2245, 2694, 2812, 3330, 3420, 3515, 4041, 4218, 4490, 5388, 6327, 6660, 6735, 7030, 8082, 8436, 8531, 8980, 10545, 12654, 13470, 14060, 16164, 16613, 17062, 20205, 21090, 25308, 25593, 26940, 31635, 33226, 34124, 40410, 42180, 42655, 49839, 51186, 63270, 66452, 76779, 80820, 83065, 85310, 99678, 102372, 126540, 127965, 149517, 153558, 166130, 170620, 199356, 249195, 255930, 299034, 307116, 315647, 332260, 383895, 498390, 511860, 598068, 631294, 747585, 767790, 946941, 996780, 1262588, 1495170, 1535580, 1578235, 1893882, 2840823, 2990340, 3156470, 3787764, 4734705, 5681646, 6312940, 9469410, 11363292, 14204115, 18938820, 28408230, 56816460]

約数ペア:

[(1, 56816460), (2, 28408230), (3, 18938820), (4, 14204115), (5, 11363292), (6, 9469410), (9, 6312940), (10, 5681646), (12, 4734705), (15, 3787764), (18, 3156470), (19, 2990340), (20, 2840823), (30, 1893882), (36, 1578235), (37, 1535580), (38, 1495170), (45, 1262588), (57, 996780), (60, 946941), (74, 767790), (76, 747585), (90, 631294), (95, 598068), (111, 511860), (114, 498390), (148, 383895), (171, 332260), (180, 315647), (185, 307116), (190, 299034), (222, 255930), (228, 249195), (285, 199356), (333, 170620), (342, 166130), (370, 153558), (380, 149517), (444, 127965), (449, 126540), (555, 102372), (570, 99678), (666, 85310), (684, 83065), (703, 80820), (740, 76779), (855, 66452), (898, 63270), (1110, 51186), (1140, 49839), (1332, 42655), (1347, 42180), (1406, 40410), (1665, 34124), (1710, 33226), (1796, 31635), (2109, 26940), (2220, 25593), (2245, 25308), (2694, 21090), (2812, 20205), (3330, 17062), (3420, 16613), (3515, 16164), (4041, 14060), (4218, 13470), (4490, 12654), (5388, 10545), (6327, 8980), (6660, 8531), (6735, 8436), (7030, 8082)]