66438680

素因数分解:

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

素因数の和:130

約数の個数: 192

約数和(自身を含む): 196499520

約数和(自身を除く): 130060840

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 37, 40, 44, 53, 55, 56, 70, 74, 77, 88, 106, 110, 121, 140, 148, 154, 185, 212, 220, 242, 259, 265, 280, 296, 308, 370, 371, 385, 407, 424, 440, 484, 518, 530, 583, 605, 616, 740, 742, 770, 814, 847, 968, 1036, 1060, 1166, 1210, 1295, 1480, 1484, 1540, 1628, 1694, 1855, 1961, 2035, 2072, 2120, 2332, 2420, 2590, 2849, 2915, 2968, 3080, 3256, 3388, 3710, 3922, 4070, 4081, 4235, 4477, 4664, 4840, 5180, 5698, 5830, 6413, 6776, 7420, 7844, 8140, 8162, 8470, 8954, 9805, 10360, 11396, 11660, 12826, 13727, 14245, 14840, 15688, 16280, 16324, 16940, 17908, 19610, 20405, 21571, 22385, 22792, 23320, 25652, 27454, 28490, 31339, 32065, 32648, 33880, 35816, 39220, 40810, 43142, 44770, 44891, 51304, 54908, 56980, 62678, 64130, 68635, 78440, 81620, 86284, 89540, 89782, 107855, 109816, 113960, 125356, 128260, 137270, 150997, 156695, 163240, 172568, 179080, 179564, 215710, 224455, 237281, 250712, 256520, 274540, 301994, 313390, 359128, 431420, 448910, 474562, 549080, 603988, 626780, 754985, 862840, 897820, 949124, 1186405, 1207976, 1253560, 1509970, 1660967, 1795640, 1898248, 2372810, 3019940, 3321934, 4745620, 6039880, 6643868, 8304835, 9491240, 13287736, 16609670, 33219340, 66438680]

約数ペア:

[(1, 66438680), (2, 33219340), (4, 16609670), (5, 13287736), (7, 9491240), (8, 8304835), (10, 6643868), (11, 6039880), (14, 4745620), (20, 3321934), (22, 3019940), (28, 2372810), (35, 1898248), (37, 1795640), (40, 1660967), (44, 1509970), (53, 1253560), (55, 1207976), (56, 1186405), (70, 949124), (74, 897820), (77, 862840), (88, 754985), (106, 626780), (110, 603988), (121, 549080), (140, 474562), (148, 448910), (154, 431420), (185, 359128), (212, 313390), (220, 301994), (242, 274540), (259, 256520), (265, 250712), (280, 237281), (296, 224455), (308, 215710), (370, 179564), (371, 179080), (385, 172568), (407, 163240), (424, 156695), (440, 150997), (484, 137270), (518, 128260), (530, 125356), (583, 113960), (605, 109816), (616, 107855), (740, 89782), (742, 89540), (770, 86284), (814, 81620), (847, 78440), (968, 68635), (1036, 64130), (1060, 62678), (1166, 56980), (1210, 54908), (1295, 51304), (1480, 44891), (1484, 44770), (1540, 43142), (1628, 40810), (1694, 39220), (1855, 35816), (1961, 33880), (2035, 32648), (2072, 32065), (2120, 31339), (2332, 28490), (2420, 27454), (2590, 25652), (2849, 23320), (2915, 22792), (2968, 22385), (3080, 21571), (3256, 20405), (3388, 19610), (3710, 17908), (3922, 16940), (4070, 16324), (4081, 16280), (4235, 15688), (4477, 14840), (4664, 14245), (4840, 13727), (5180, 12826), (5698, 11660), (5830, 11396), (6413, 10360), (6776, 9805), (7420, 8954), (7844, 8470), (8140, 8162)]