64951920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:228

約数の個数: 240

約数和(自身を含む): 243734400

約数和(自身を除く): 178782480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 59, 60, 66, 72, 80, 88, 90, 99, 110, 118, 120, 132, 139, 144, 165, 176, 177, 180, 198, 220, 236, 240, 264, 278, 295, 330, 354, 360, 396, 417, 440, 472, 495, 528, 531, 556, 590, 649, 660, 695, 708, 720, 792, 834, 880, 885, 944, 990, 1062, 1112, 1180, 1251, 1298, 1320, 1390, 1416, 1529, 1584, 1668, 1770, 1947, 1980, 2085, 2124, 2224, 2360, 2502, 2596, 2640, 2655, 2780, 2832, 3058, 3245, 3336, 3540, 3894, 3960, 4170, 4248, 4587, 4720, 5004, 5192, 5310, 5560, 5841, 6116, 6255, 6490, 6672, 7080, 7645, 7788, 7920, 8201, 8340, 8496, 9174, 9735, 10008, 10384, 10620, 11120, 11682, 12232, 12510, 12980, 13761, 14160, 15290, 15576, 16402, 16680, 18348, 19470, 20016, 21240, 22935, 23364, 24464, 24603, 25020, 25960, 27522, 29205, 30580, 31152, 32804, 33360, 36696, 38940, 41005, 42480, 45870, 46728, 49206, 50040, 51920, 55044, 58410, 61160, 65608, 68805, 73392, 73809, 77880, 82010, 90211, 91740, 93456, 98412, 100080, 110088, 116820, 122320, 123015, 131216, 137610, 147618, 155760, 164020, 180422, 183480, 196824, 220176, 233640, 246030, 270633, 275220, 295236, 328040, 360844, 366960, 369045, 393648, 451055, 467280, 492060, 541266, 550440, 590472, 656080, 721688, 738090, 811899, 902110, 984120, 1082532, 1100880, 1180944, 1353165, 1443376, 1476180, 1623798, 1804220, 1968240, 2165064, 2706330, 2952360, 3247596, 3608440, 4059495, 4330128, 5412660, 5904720, 6495192, 7216880, 8118990, 10825320, 12990384, 16237980, 21650640, 32475960, 64951920]

約数ペア:

[(1, 64951920), (2, 32475960), (3, 21650640), (4, 16237980), (5, 12990384), (6, 10825320), (8, 8118990), (9, 7216880), (10, 6495192), (11, 5904720), (12, 5412660), (15, 4330128), (16, 4059495), (18, 3608440), (20, 3247596), (22, 2952360), (24, 2706330), (30, 2165064), (33, 1968240), (36, 1804220), (40, 1623798), (44, 1476180), (45, 1443376), (48, 1353165), (55, 1180944), (59, 1100880), (60, 1082532), (66, 984120), (72, 902110), (80, 811899), (88, 738090), (90, 721688), (99, 656080), (110, 590472), (118, 550440), (120, 541266), (132, 492060), (139, 467280), (144, 451055), (165, 393648), (176, 369045), (177, 366960), (180, 360844), (198, 328040), (220, 295236), (236, 275220), (240, 270633), (264, 246030), (278, 233640), (295, 220176), (330, 196824), (354, 183480), (360, 180422), (396, 164020), (417, 155760), (440, 147618), (472, 137610), (495, 131216), (528, 123015), (531, 122320), (556, 116820), (590, 110088), (649, 100080), (660, 98412), (695, 93456), (708, 91740), (720, 90211), (792, 82010), (834, 77880), (880, 73809), (885, 73392), (944, 68805), (990, 65608), (1062, 61160), (1112, 58410), (1180, 55044), (1251, 51920), (1298, 50040), (1320, 49206), (1390, 46728), (1416, 45870), (1529, 42480), (1584, 41005), (1668, 38940), (1770, 36696), (1947, 33360), (1980, 32804), (2085, 31152), (2124, 30580), (2224, 29205), (2360, 27522), (2502, 25960), (2596, 25020), (2640, 24603), (2655, 24464), (2780, 23364), (2832, 22935), (3058, 21240), (3245, 20016), (3336, 19470), (3540, 18348), (3894, 16680), (3960, 16402), (4170, 15576), (4248, 15290), (4587, 14160), (4720, 13761), (5004, 12980), (5192, 12510), (5310, 12232), (5560, 11682), (5841, 11120), (6116, 10620), (6255, 10384), (6490, 10008), (6672, 9735), (7080, 9174), (7645, 8496), (7788, 8340), (7920, 8201)]