311131080

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3499}}^1$

素因数の和:3548

約数の個数: 192

約数和(自身を含む): 1146600000

約数和(自身を除く): 835468920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 19, 20, 24, 26, 30, 36, 38, 39, 40, 45, 52, 57, 60, 65, 72, 76, 78, 90, 95, 104, 114, 117, 120, 130, 152, 156, 171, 180, 190, 195, 228, 234, 247, 260, 285, 312, 342, 360, 380, 390, 456, 468, 494, 520, 570, 585, 684, 741, 760, 780, 855, 936, 988, 1140, 1170, 1235, 1368, 1482, 1560, 1710, 1976, 2223, 2280, 2340, 2470, 2964, 3420, 3499, 3705, 4446, 4680, 4940, 5928, 6840, 6998, 7410, 8892, 9880, 10497, 11115, 13996, 14820, 17495, 17784, 20994, 22230, 27992, 29640, 31491, 34990, 41988, 44460, 45487, 52485, 62982, 66481, 69980, 83976, 88920, 90974, 104970, 125964, 132962, 136461, 139960, 157455, 181948, 199443, 209940, 227435, 251928, 265924, 272922, 314910, 332405, 363896, 398886, 409383, 419880, 454870, 531848, 545844, 598329, 629820, 664810, 682305, 797772, 818766, 864253, 909740, 997215, 1091688, 1196658, 1259640, 1329620, 1364610, 1595544, 1637532, 1728506, 1819480, 1994430, 2046915, 2393316, 2592759, 2659240, 2729220, 2991645, 3275064, 3457012, 3988860, 4093830, 4321265, 4786632, 5185518, 5458440, 5983290, 6914024, 7778277, 7977720, 8187660, 8642530, 10371036, 11966580, 12963795, 15556554, 16375320, 17285060, 20742072, 23933160, 25927590, 31113108, 34570120, 38891385, 51855180, 62226216, 77782770, 103710360, 155565540, 311131080]

約数ペア:

[(1, 311131080), (2, 155565540), (3, 103710360), (4, 77782770), (5, 62226216), (6, 51855180), (8, 38891385), (9, 34570120), (10, 31113108), (12, 25927590), (13, 23933160), (15, 20742072), (18, 17285060), (19, 16375320), (20, 15556554), (24, 12963795), (26, 11966580), (30, 10371036), (36, 8642530), (38, 8187660), (39, 7977720), (40, 7778277), (45, 6914024), (52, 5983290), (57, 5458440), (60, 5185518), (65, 4786632), (72, 4321265), (76, 4093830), (78, 3988860), (90, 3457012), (95, 3275064), (104, 2991645), (114, 2729220), (117, 2659240), (120, 2592759), (130, 2393316), (152, 2046915), (156, 1994430), (171, 1819480), (180, 1728506), (190, 1637532), (195, 1595544), (228, 1364610), (234, 1329620), (247, 1259640), (260, 1196658), (285, 1091688), (312, 997215), (342, 909740), (360, 864253), (380, 818766), (390, 797772), (456, 682305), (468, 664810), (494, 629820), (520, 598329), (570, 545844), (585, 531848), (684, 454870), (741, 419880), (760, 409383), (780, 398886), (855, 363896), (936, 332405), (988, 314910), (1140, 272922), (1170, 265924), (1235, 251928), (1368, 227435), (1482, 209940), (1560, 199443), (1710, 181948), (1976, 157455), (2223, 139960), (2280, 136461), (2340, 132962), (2470, 125964), (2964, 104970), (3420, 90974), (3499, 88920), (3705, 83976), (4446, 69980), (4680, 66481), (4940, 62982), (5928, 52485), (6840, 45487), (6998, 44460), (7410, 41988), (8892, 34990), (9880, 31491), (10497, 29640), (11115, 27992), (13996, 22230), (14820, 20994), (17495, 17784)]