90705240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:274

約数の個数: 192

約数和(自身を含む): 315900000

約数和(自身を除く): 225194760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 89, 90, 95, 114, 120, 149, 152, 171, 178, 180, 190, 228, 267, 285, 298, 342, 356, 360, 380, 445, 447, 456, 534, 570, 596, 684, 712, 745, 760, 801, 855, 890, 894, 1068, 1140, 1192, 1335, 1341, 1368, 1490, 1602, 1691, 1710, 1780, 1788, 2136, 2235, 2280, 2670, 2682, 2831, 2980, 3204, 3382, 3420, 3560, 3576, 4005, 4470, 5073, 5340, 5364, 5662, 5960, 6408, 6705, 6764, 6840, 8010, 8455, 8493, 8940, 10146, 10680, 10728, 11324, 13261, 13410, 13528, 14155, 15219, 16020, 16910, 16986, 17880, 20292, 22648, 25365, 25479, 26522, 26820, 28310, 30438, 32040, 33820, 33972, 39783, 40584, 42465, 50730, 50958, 53044, 53640, 56620, 60876, 66305, 67640, 67944, 76095, 79566, 84930, 101460, 101916, 106088, 113240, 119349, 121752, 127395, 132610, 152190, 159132, 169860, 198915, 202920, 203832, 238698, 251959, 254790, 265220, 304380, 318264, 339720, 397830, 477396, 503918, 509580, 530440, 596745, 608760, 755877, 795660, 954792, 1007836, 1019160, 1193490, 1259795, 1511754, 1591320, 2015672, 2267631, 2386980, 2519590, 3023508, 3779385, 4535262, 4773960, 5039180, 6047016, 7558770, 9070524, 10078360, 11338155, 15117540, 18141048, 22676310, 30235080, 45352620, 90705240]

約数ペア:

[(1, 90705240), (2, 45352620), (3, 30235080), (4, 22676310), (5, 18141048), (6, 15117540), (8, 11338155), (9, 10078360), (10, 9070524), (12, 7558770), (15, 6047016), (18, 5039180), (19, 4773960), (20, 4535262), (24, 3779385), (30, 3023508), (36, 2519590), (38, 2386980), (40, 2267631), (45, 2015672), (57, 1591320), (60, 1511754), (72, 1259795), (76, 1193490), (89, 1019160), (90, 1007836), (95, 954792), (114, 795660), (120, 755877), (149, 608760), (152, 596745), (171, 530440), (178, 509580), (180, 503918), (190, 477396), (228, 397830), (267, 339720), (285, 318264), (298, 304380), (342, 265220), (356, 254790), (360, 251959), (380, 238698), (445, 203832), (447, 202920), (456, 198915), (534, 169860), (570, 159132), (596, 152190), (684, 132610), (712, 127395), (745, 121752), (760, 119349), (801, 113240), (855, 106088), (890, 101916), (894, 101460), (1068, 84930), (1140, 79566), (1192, 76095), (1335, 67944), (1341, 67640), (1368, 66305), (1490, 60876), (1602, 56620), (1691, 53640), (1710, 53044), (1780, 50958), (1788, 50730), (2136, 42465), (2235, 40584), (2280, 39783), (2670, 33972), (2682, 33820), (2831, 32040), (2980, 30438), (3204, 28310), (3382, 26820), (3420, 26522), (3560, 25479), (3576, 25365), (4005, 22648), (4470, 20292), (5073, 17880), (5340, 16986), (5364, 16910), (5662, 16020), (5960, 15219), (6408, 14155), (6705, 13528), (6764, 13410), (6840, 13261), (8010, 11324), (8455, 10728), (8493, 10680), (8940, 10146)]