51836940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{659}}^1$

素因数の和:716

約数の個数: 144

約数和(自身を含む): 172972800

約数和(自身を除く): 121135860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 23, 30, 36, 38, 45, 46, 57, 60, 69, 76, 90, 92, 95, 114, 115, 138, 171, 180, 190, 207, 228, 230, 276, 285, 342, 345, 380, 414, 437, 460, 570, 659, 684, 690, 828, 855, 874, 1035, 1140, 1311, 1318, 1380, 1710, 1748, 1977, 2070, 2185, 2622, 2636, 3295, 3420, 3933, 3954, 4140, 4370, 5244, 5931, 6555, 6590, 7866, 7908, 8740, 9885, 11862, 12521, 13110, 13180, 15157, 15732, 19665, 19770, 23724, 25042, 26220, 29655, 30314, 37563, 39330, 39540, 45471, 50084, 59310, 60628, 62605, 75126, 75785, 78660, 90942, 112689, 118620, 125210, 136413, 150252, 151570, 181884, 187815, 225378, 227355, 250420, 272826, 287983, 303140, 375630, 450756, 454710, 545652, 563445, 575966, 682065, 751260, 863949, 909420, 1126890, 1151932, 1364130, 1439915, 1727898, 2253780, 2591847, 2728260, 2879830, 3455796, 4319745, 5183694, 5759660, 8639490, 10367388, 12959235, 17278980, 25918470, 51836940]

約数ペア:

[(1, 51836940), (2, 25918470), (3, 17278980), (4, 12959235), (5, 10367388), (6, 8639490), (9, 5759660), (10, 5183694), (12, 4319745), (15, 3455796), (18, 2879830), (19, 2728260), (20, 2591847), (23, 2253780), (30, 1727898), (36, 1439915), (38, 1364130), (45, 1151932), (46, 1126890), (57, 909420), (60, 863949), (69, 751260), (76, 682065), (90, 575966), (92, 563445), (95, 545652), (114, 454710), (115, 450756), (138, 375630), (171, 303140), (180, 287983), (190, 272826), (207, 250420), (228, 227355), (230, 225378), (276, 187815), (285, 181884), (342, 151570), (345, 150252), (380, 136413), (414, 125210), (437, 118620), (460, 112689), (570, 90942), (659, 78660), (684, 75785), (690, 75126), (828, 62605), (855, 60628), (874, 59310), (1035, 50084), (1140, 45471), (1311, 39540), (1318, 39330), (1380, 37563), (1710, 30314), (1748, 29655), (1977, 26220), (2070, 25042), (2185, 23724), (2622, 19770), (2636, 19665), (3295, 15732), (3420, 15157), (3933, 13180), (3954, 13110), (4140, 12521), (4370, 11862), (5244, 9885), (5931, 8740), (6555, 7908), (6590, 7866)]