81342450

素因数分解:

$2^1\times 3^2\times 5^2\times 7^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:87

約数の個数: 288

約数和(自身を含む): 278553600

約数和(自身を除く): 197211150

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 17, 18, 21, 25, 30, 31, 34, 35, 42, 45, 49, 50, 51, 62, 63, 70, 75, 85, 90, 93, 98, 102, 105, 119, 126, 147, 150, 153, 155, 170, 175, 186, 210, 217, 225, 238, 245, 255, 279, 294, 306, 310, 315, 343, 350, 357, 425, 434, 441, 450, 465, 490, 510, 525, 527, 558, 595, 630, 651, 686, 714, 735, 765, 775, 833, 850, 882, 930, 1029, 1050, 1054, 1071, 1085, 1190, 1225, 1275, 1302, 1395, 1470, 1519, 1530, 1550, 1575, 1581, 1666, 1715, 1785, 1953, 2058, 2142, 2170, 2205, 2325, 2450, 2499, 2550, 2635, 2790, 2975, 3038, 3087, 3150, 3162, 3255, 3430, 3570, 3675, 3689, 3825, 3906, 4165, 4410, 4557, 4650, 4743, 4998, 5145, 5270, 5355, 5425, 5831, 5950, 6174, 6510, 6975, 7350, 7378, 7497, 7595, 7650, 7905, 8330, 8575, 8925, 9114, 9486, 9765, 10290, 10633, 10710, 10850, 11025, 11067, 11662, 12495, 13175, 13671, 13950, 14994, 15190, 15435, 15810, 16275, 17150, 17493, 17850, 18445, 19530, 20825, 21266, 22050, 22134, 22785, 23715, 24990, 25725, 25823, 26350, 26775, 27342, 29155, 30870, 31899, 32550, 33201, 34986, 36890, 37485, 37975, 39525, 41650, 45570, 47430, 48825, 51450, 51646, 52479, 53165, 53550, 55335, 58310, 62475, 63798, 66402, 68355, 74970, 75950, 77175, 77469, 79050, 87465, 92225, 95697, 97650, 104958, 106330, 110670, 113925, 118575, 124950, 129115, 136710, 145775, 154350, 154938, 159495, 166005, 174930, 180761, 184450, 187425, 191394, 227850, 232407, 237150, 258230, 262395, 265825, 276675, 291550, 318990, 332010, 341775, 361522, 374850, 387345, 437325, 464814, 478485, 524790, 531650, 542283, 553350, 645575, 683550, 774690, 797475, 830025, 874650, 903805, 956970, 1084566, 1162035, 1291150, 1311975, 1594950, 1626849, 1660050, 1807610, 1936725, 2324070, 2392425, 2623950, 2711415, 3253698, 3873450, 4519025, 4784850, 5422830, 5810175, 8134245, 9038050, 11620350, 13557075, 16268490, 27114150, 40671225, 81342450]

約数ペア:

[(1, 81342450), (2, 40671225), (3, 27114150), (5, 16268490), (6, 13557075), (7, 11620350), (9, 9038050), (10, 8134245), (14, 5810175), (15, 5422830), (17, 4784850), (18, 4519025), (21, 3873450), (25, 3253698), (30, 2711415), (31, 2623950), (34, 2392425), (35, 2324070), (42, 1936725), (45, 1807610), (49, 1660050), (50, 1626849), (51, 1594950), (62, 1311975), (63, 1291150), (70, 1162035), (75, 1084566), (85, 956970), (90, 903805), (93, 874650), (98, 830025), (102, 797475), (105, 774690), (119, 683550), (126, 645575), (147, 553350), (150, 542283), (153, 531650), (155, 524790), (170, 478485), (175, 464814), (186, 437325), (210, 387345), (217, 374850), (225, 361522), (238, 341775), (245, 332010), (255, 318990), (279, 291550), (294, 276675), (306, 265825), (310, 262395), (315, 258230), (343, 237150), (350, 232407), (357, 227850), (425, 191394), (434, 187425), (441, 184450), (450, 180761), (465, 174930), (490, 166005), (510, 159495), (525, 154938), (527, 154350), (558, 145775), (595, 136710), (630, 129115), (651, 124950), (686, 118575), (714, 113925), (735, 110670), (765, 106330), (775, 104958), (833, 97650), (850, 95697), (882, 92225), (930, 87465), (1029, 79050), (1050, 77469), (1054, 77175), (1071, 75950), (1085, 74970), (1190, 68355), (1225, 66402), (1275, 63798), (1302, 62475), (1395, 58310), (1470, 55335), (1519, 53550), (1530, 53165), (1550, 52479), (1575, 51646), (1581, 51450), (1666, 48825), (1715, 47430), (1785, 45570), (1953, 41650), (2058, 39525), (2142, 37975), (2170, 37485), (2205, 36890), (2325, 34986), (2450, 33201), (2499, 32550), (2550, 31899), (2635, 30870), (2790, 29155), (2975, 27342), (3038, 26775), (3087, 26350), (3150, 25823), (3162, 25725), (3255, 24990), (3430, 23715), (3570, 22785), (3675, 22134), (3689, 22050), (3825, 21266), (3906, 20825), (4165, 19530), (4410, 18445), (4557, 17850), (4650, 17493), (4743, 17150), (4998, 16275), (5145, 15810), (5270, 15435), (5355, 15190), (5425, 14994), (5831, 13950), (5950, 13671), (6174, 13175), (6510, 12495), (6975, 11662), (7350, 11067), (7378, 11025), (7497, 10850), (7595, 10710), (7650, 10633), (7905, 10290), (8330, 9765), (8575, 9486), (8925, 9114)]