18291240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:208

約数の個数: 192

約数和(自身を含む): 67392000

約数和(自身を除く): 49100760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 31, 33, 36, 40, 44, 45, 55, 60, 62, 66, 72, 88, 90, 93, 99, 110, 120, 124, 132, 149, 155, 165, 180, 186, 198, 220, 248, 264, 279, 298, 310, 330, 341, 360, 372, 396, 440, 447, 465, 495, 558, 596, 620, 660, 682, 744, 745, 792, 894, 930, 990, 1023, 1116, 1192, 1240, 1320, 1341, 1364, 1395, 1490, 1639, 1705, 1788, 1860, 1980, 2046, 2232, 2235, 2682, 2728, 2790, 2980, 3069, 3278, 3410, 3576, 3720, 3960, 4092, 4470, 4619, 4917, 5115, 5364, 5580, 5960, 6138, 6556, 6705, 6820, 8184, 8195, 8940, 9238, 9834, 10230, 10728, 11160, 12276, 13112, 13410, 13640, 13857, 14751, 15345, 16390, 17880, 18476, 19668, 20460, 23095, 24552, 24585, 26820, 27714, 29502, 30690, 32780, 36952, 39336, 40920, 41571, 46190, 49170, 50809, 53640, 55428, 59004, 61380, 65560, 69285, 73755, 83142, 92380, 98340, 101618, 110856, 118008, 122760, 138570, 147510, 152427, 166284, 184760, 196680, 203236, 207855, 254045, 277140, 295020, 304854, 332568, 406472, 415710, 457281, 508090, 554280, 590040, 609708, 762135, 831420, 914562, 1016180, 1219416, 1524270, 1662840, 1829124, 2032360, 2286405, 3048540, 3658248, 4572810, 6097080, 9145620, 18291240]

約数ペア:

[(1, 18291240), (2, 9145620), (3, 6097080), (4, 4572810), (5, 3658248), (6, 3048540), (8, 2286405), (9, 2032360), (10, 1829124), (11, 1662840), (12, 1524270), (15, 1219416), (18, 1016180), (20, 914562), (22, 831420), (24, 762135), (30, 609708), (31, 590040), (33, 554280), (36, 508090), (40, 457281), (44, 415710), (45, 406472), (55, 332568), (60, 304854), (62, 295020), (66, 277140), (72, 254045), (88, 207855), (90, 203236), (93, 196680), (99, 184760), (110, 166284), (120, 152427), (124, 147510), (132, 138570), (149, 122760), (155, 118008), (165, 110856), (180, 101618), (186, 98340), (198, 92380), (220, 83142), (248, 73755), (264, 69285), (279, 65560), (298, 61380), (310, 59004), (330, 55428), (341, 53640), (360, 50809), (372, 49170), (396, 46190), (440, 41571), (447, 40920), (465, 39336), (495, 36952), (558, 32780), (596, 30690), (620, 29502), (660, 27714), (682, 26820), (744, 24585), (745, 24552), (792, 23095), (894, 20460), (930, 19668), (990, 18476), (1023, 17880), (1116, 16390), (1192, 15345), (1240, 14751), (1320, 13857), (1341, 13640), (1364, 13410), (1395, 13112), (1490, 12276), (1639, 11160), (1705, 10728), (1788, 10230), (1860, 9834), (1980, 9238), (2046, 8940), (2232, 8195), (2235, 8184), (2682, 6820), (2728, 6705), (2790, 6556), (2980, 6138), (3069, 5960), (3278, 5580), (3410, 5364), (3576, 5115), (3720, 4917), (3960, 4619), (4092, 4470)]