189745020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{509}}^1$

素因数の和:652

約数の個数: 144

約数和(自身を含む): 612612000

約数和(自身を除く): 422866980

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, 109, 114, 171, 180, 190, 218, 228, 285, 327, 342, 380, 436, 509, 545, 570, 654, 684, 855, 981, 1018, 1090, 1140, 1308, 1527, 1635, 1710, 1962, 2036, 2071, 2180, 2545, 3054, 3270, 3420, 3924, 4142, 4581, 4905, 5090, 6108, 6213, 6540, 7635, 8284, 9162, 9671, 9810, 10180, 10355, 12426, 15270, 18324, 18639, 19342, 19620, 20710, 22905, 24852, 29013, 30540, 31065, 37278, 38684, 41420, 45810, 48355, 55481, 58026, 62130, 74556, 87039, 91620, 93195, 96710, 110962, 116052, 124260, 145065, 166443, 174078, 186390, 193420, 221924, 277405, 290130, 332886, 348156, 372780, 435195, 499329, 554810, 580260, 665772, 832215, 870390, 998658, 1054139, 1109620, 1664430, 1740780, 1997316, 2108278, 2496645, 3162417, 3328860, 4216556, 4993290, 5270695, 6324834, 9487251, 9986580, 10541390, 12649668, 15812085, 18974502, 21082780, 31624170, 37949004, 47436255, 63248340, 94872510, 189745020]

約数ペア:

[(1, 189745020), (2, 94872510), (3, 63248340), (4, 47436255), (5, 37949004), (6, 31624170), (9, 21082780), (10, 18974502), (12, 15812085), (15, 12649668), (18, 10541390), (19, 9986580), (20, 9487251), (30, 6324834), (36, 5270695), (38, 4993290), (45, 4216556), (57, 3328860), (60, 3162417), (76, 2496645), (90, 2108278), (95, 1997316), (109, 1740780), (114, 1664430), (171, 1109620), (180, 1054139), (190, 998658), (218, 870390), (228, 832215), (285, 665772), (327, 580260), (342, 554810), (380, 499329), (436, 435195), (509, 372780), (545, 348156), (570, 332886), (654, 290130), (684, 277405), (855, 221924), (981, 193420), (1018, 186390), (1090, 174078), (1140, 166443), (1308, 145065), (1527, 124260), (1635, 116052), (1710, 110962), (1962, 96710), (2036, 93195), (2071, 91620), (2180, 87039), (2545, 74556), (3054, 62130), (3270, 58026), (3420, 55481), (3924, 48355), (4142, 45810), (4581, 41420), (4905, 38684), (5090, 37278), (6108, 31065), (6213, 30540), (6540, 29013), (7635, 24852), (8284, 22905), (9162, 20710), (9671, 19620), (9810, 19342), (10180, 18639), (10355, 18324), (12426, 15270)]