18119640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:122

約数の個数: 256

約数和(自身を含む): 70917120

約数和(自身を除く): 52797480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 37, 40, 42, 44, 53, 55, 56, 60, 66, 70, 74, 77, 84, 88, 105, 106, 110, 111, 120, 132, 140, 148, 154, 159, 165, 168, 185, 210, 212, 220, 222, 231, 259, 264, 265, 280, 296, 308, 318, 330, 370, 371, 385, 407, 420, 424, 440, 444, 462, 518, 530, 555, 583, 616, 636, 660, 740, 742, 770, 777, 795, 814, 840, 888, 924, 1036, 1060, 1110, 1113, 1155, 1166, 1221, 1272, 1295, 1320, 1480, 1484, 1540, 1554, 1590, 1628, 1749, 1848, 1855, 1961, 2035, 2072, 2120, 2220, 2226, 2310, 2332, 2442, 2590, 2849, 2915, 2968, 3080, 3108, 3180, 3256, 3498, 3710, 3885, 3922, 4070, 4081, 4440, 4452, 4620, 4664, 4884, 5180, 5565, 5698, 5830, 5883, 6105, 6216, 6360, 6996, 7420, 7770, 7844, 8140, 8162, 8547, 8745, 8904, 9240, 9768, 9805, 10360, 11130, 11396, 11660, 11766, 12210, 12243, 13727, 13992, 14245, 14840, 15540, 15688, 16280, 16324, 17094, 17490, 19610, 20405, 21571, 22260, 22792, 23320, 23532, 24420, 24486, 27454, 28490, 29415, 31080, 32648, 34188, 34980, 39220, 40810, 41181, 42735, 43142, 44520, 47064, 48840, 48972, 54908, 56980, 58830, 61215, 64713, 68376, 68635, 69960, 78440, 81620, 82362, 85470, 86284, 97944, 107855, 109816, 113960, 117660, 122430, 129426, 137270, 150997, 163240, 164724, 170940, 172568, 205905, 215710, 235320, 244860, 258852, 274540, 301994, 323565, 329448, 341880, 411810, 431420, 452991, 489720, 517704, 549080, 603988, 647130, 754985, 823620, 862840, 905982, 1207976, 1294260, 1509970, 1647240, 1811964, 2264955, 2588520, 3019940, 3623928, 4529910, 6039880, 9059820, 18119640]

約数ペア:

[(1, 18119640), (2, 9059820), (3, 6039880), (4, 4529910), (5, 3623928), (6, 3019940), (7, 2588520), (8, 2264955), (10, 1811964), (11, 1647240), (12, 1509970), (14, 1294260), (15, 1207976), (20, 905982), (21, 862840), (22, 823620), (24, 754985), (28, 647130), (30, 603988), (33, 549080), (35, 517704), (37, 489720), (40, 452991), (42, 431420), (44, 411810), (53, 341880), (55, 329448), (56, 323565), (60, 301994), (66, 274540), (70, 258852), (74, 244860), (77, 235320), (84, 215710), (88, 205905), (105, 172568), (106, 170940), (110, 164724), (111, 163240), (120, 150997), (132, 137270), (140, 129426), (148, 122430), (154, 117660), (159, 113960), (165, 109816), (168, 107855), (185, 97944), (210, 86284), (212, 85470), (220, 82362), (222, 81620), (231, 78440), (259, 69960), (264, 68635), (265, 68376), (280, 64713), (296, 61215), (308, 58830), (318, 56980), (330, 54908), (370, 48972), (371, 48840), (385, 47064), (407, 44520), (420, 43142), (424, 42735), (440, 41181), (444, 40810), (462, 39220), (518, 34980), (530, 34188), (555, 32648), (583, 31080), (616, 29415), (636, 28490), (660, 27454), (740, 24486), (742, 24420), (770, 23532), (777, 23320), (795, 22792), (814, 22260), (840, 21571), (888, 20405), (924, 19610), (1036, 17490), (1060, 17094), (1110, 16324), (1113, 16280), (1155, 15688), (1166, 15540), (1221, 14840), (1272, 14245), (1295, 13992), (1320, 13727), (1480, 12243), (1484, 12210), (1540, 11766), (1554, 11660), (1590, 11396), (1628, 11130), (1749, 10360), (1848, 9805), (1855, 9768), (1961, 9240), (2035, 8904), (2072, 8745), (2120, 8547), (2220, 8162), (2226, 8140), (2310, 7844), (2332, 7770), (2442, 7420), (2590, 6996), (2849, 6360), (2915, 6216), (2968, 6105), (3080, 5883), (3108, 5830), (3180, 5698), (3256, 5565), (3498, 5180), (3710, 4884), (3885, 4664), (3922, 4620), (4070, 4452), (4081, 4440)]