121719960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:266

約数の個数: 192

約数和(自身を含む): 416988000

約数和(自身を除く): 295268040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 29, 30, 36, 40, 45, 58, 60, 72, 87, 89, 90, 116, 120, 131, 145, 174, 178, 180, 232, 261, 262, 267, 290, 348, 356, 360, 393, 435, 445, 522, 524, 534, 580, 655, 696, 712, 786, 801, 870, 890, 1044, 1048, 1068, 1160, 1179, 1305, 1310, 1335, 1572, 1602, 1740, 1780, 1965, 2088, 2136, 2358, 2581, 2610, 2620, 2670, 3144, 3204, 3480, 3560, 3799, 3930, 4005, 4716, 5162, 5220, 5240, 5340, 5895, 6408, 7598, 7743, 7860, 8010, 9432, 10324, 10440, 10680, 11397, 11659, 11790, 12905, 15196, 15486, 15720, 16020, 18995, 20648, 22794, 23229, 23318, 23580, 25810, 30392, 30972, 32040, 34191, 34977, 37990, 38715, 45588, 46458, 46636, 47160, 51620, 56985, 58295, 61944, 68382, 69954, 75980, 77430, 91176, 92916, 93272, 103240, 104931, 113970, 116145, 116590, 136764, 139908, 151960, 154860, 170955, 174885, 185832, 209862, 227940, 232290, 233180, 273528, 279816, 309720, 338111, 341910, 349770, 419724, 455880, 464580, 466360, 524655, 676222, 683820, 699540, 839448, 929160, 1014333, 1049310, 1352444, 1367640, 1399080, 1690555, 2028666, 2098620, 2704888, 3042999, 3381110, 4057332, 4197240, 5071665, 6085998, 6762220, 8114664, 10143330, 12171996, 13524440, 15214995, 20286660, 24343992, 30429990, 40573320, 60859980, 121719960]

約数ペア:

[(1, 121719960), (2, 60859980), (3, 40573320), (4, 30429990), (5, 24343992), (6, 20286660), (8, 15214995), (9, 13524440), (10, 12171996), (12, 10143330), (15, 8114664), (18, 6762220), (20, 6085998), (24, 5071665), (29, 4197240), (30, 4057332), (36, 3381110), (40, 3042999), (45, 2704888), (58, 2098620), (60, 2028666), (72, 1690555), (87, 1399080), (89, 1367640), (90, 1352444), (116, 1049310), (120, 1014333), (131, 929160), (145, 839448), (174, 699540), (178, 683820), (180, 676222), (232, 524655), (261, 466360), (262, 464580), (267, 455880), (290, 419724), (348, 349770), (356, 341910), (360, 338111), (393, 309720), (435, 279816), (445, 273528), (522, 233180), (524, 232290), (534, 227940), (580, 209862), (655, 185832), (696, 174885), (712, 170955), (786, 154860), (801, 151960), (870, 139908), (890, 136764), (1044, 116590), (1048, 116145), (1068, 113970), (1160, 104931), (1179, 103240), (1305, 93272), (1310, 92916), (1335, 91176), (1572, 77430), (1602, 75980), (1740, 69954), (1780, 68382), (1965, 61944), (2088, 58295), (2136, 56985), (2358, 51620), (2581, 47160), (2610, 46636), (2620, 46458), (2670, 45588), (3144, 38715), (3204, 37990), (3480, 34977), (3560, 34191), (3799, 32040), (3930, 30972), (4005, 30392), (4716, 25810), (5162, 23580), (5220, 23318), (5240, 23229), (5340, 22794), (5895, 20648), (6408, 18995), (7598, 16020), (7743, 15720), (7860, 15486), (8010, 15196), (9432, 12905), (10324, 11790), (10440, 11659), (10680, 11397)]