172218888

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{131}}^1$

素因数の和:224

約数の個数: 144

約数和(自身を含む): 511196400

約数和(自身を除く): 338977512

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 31, 36, 38, 57, 62, 72, 76, 93, 114, 124, 131, 152, 171, 186, 228, 248, 262, 279, 342, 372, 393, 456, 524, 558, 589, 684, 744, 786, 961, 1048, 1116, 1178, 1179, 1368, 1572, 1767, 1922, 2232, 2356, 2358, 2489, 2883, 3144, 3534, 3844, 4061, 4712, 4716, 4978, 5301, 5766, 7068, 7467, 7688, 8122, 8649, 9432, 9956, 10602, 11532, 12183, 14136, 14934, 16244, 17298, 18259, 19912, 21204, 22401, 23064, 24366, 29868, 32488, 34596, 36518, 36549, 42408, 44802, 48732, 54777, 59736, 69192, 73036, 73098, 77159, 89604, 97464, 109554, 125891, 146072, 146196, 154318, 164331, 179208, 219108, 231477, 251782, 292392, 308636, 328662, 377673, 438216, 462954, 503564, 617272, 657324, 694431, 755346, 925908, 1007128, 1133019, 1314648, 1388862, 1510692, 1851816, 2266038, 2391929, 2777724, 3021384, 4532076, 4783858, 5555448, 7175787, 9064152, 9567716, 14351574, 19135432, 21527361, 28703148, 43054722, 57406296, 86109444, 172218888]

約数ペア:

[(1, 172218888), (2, 86109444), (3, 57406296), (4, 43054722), (6, 28703148), (8, 21527361), (9, 19135432), (12, 14351574), (18, 9567716), (19, 9064152), (24, 7175787), (31, 5555448), (36, 4783858), (38, 4532076), (57, 3021384), (62, 2777724), (72, 2391929), (76, 2266038), (93, 1851816), (114, 1510692), (124, 1388862), (131, 1314648), (152, 1133019), (171, 1007128), (186, 925908), (228, 755346), (248, 694431), (262, 657324), (279, 617272), (342, 503564), (372, 462954), (393, 438216), (456, 377673), (524, 328662), (558, 308636), (589, 292392), (684, 251782), (744, 231477), (786, 219108), (961, 179208), (1048, 164331), (1116, 154318), (1178, 146196), (1179, 146072), (1368, 125891), (1572, 109554), (1767, 97464), (1922, 89604), (2232, 77159), (2356, 73098), (2358, 73036), (2489, 69192), (2883, 59736), (3144, 54777), (3534, 48732), (3844, 44802), (4061, 42408), (4712, 36549), (4716, 36518), (4978, 34596), (5301, 32488), (5766, 29868), (7068, 24366), (7467, 23064), (7688, 22401), (8122, 21204), (8649, 19912), (9432, 18259), (9956, 17298), (10602, 16244), (11532, 14934), (12183, 14136)]