20150388

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{179}}^1$

素因数の和:301

約数の個数: 72

約数和(自身を含む): 53071200

約数和(自身を除く): 32920812

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 59, 106, 118, 159, 177, 179, 212, 236, 318, 354, 358, 477, 531, 537, 636, 708, 716, 954, 1062, 1074, 1611, 1908, 2124, 2148, 3127, 3222, 6254, 6444, 9381, 9487, 10561, 12508, 18762, 18974, 21122, 28143, 28461, 31683, 37524, 37948, 42244, 56286, 56922, 63366, 85383, 95049, 112572, 113844, 126732, 170766, 190098, 341532, 380196, 559733, 1119466, 1679199, 2238932, 3358398, 5037597, 6716796, 10075194, 20150388]

約数ペア:

[(1, 20150388), (2, 10075194), (3, 6716796), (4, 5037597), (6, 3358398), (9, 2238932), (12, 1679199), (18, 1119466), (36, 559733), (53, 380196), (59, 341532), (106, 190098), (118, 170766), (159, 126732), (177, 113844), (179, 112572), (212, 95049), (236, 85383), (318, 63366), (354, 56922), (358, 56286), (477, 42244), (531, 37948), (537, 37524), (636, 31683), (708, 28461), (716, 28143), (954, 21122), (1062, 18974), (1074, 18762), (1611, 12508), (1908, 10561), (2124, 9487), (2148, 9381), (3127, 6444), (3222, 6254)]