128246580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{487}}^1$

素因数の和:539

約数の個数: 288

約数和(自身を含む): 511580160

約数和(自身を除く): 383333580

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 19, 20, 21, 22, 28, 30, 33, 35, 36, 38, 42, 44, 45, 55, 57, 60, 63, 66, 70, 76, 77, 84, 90, 95, 99, 105, 110, 114, 126, 132, 133, 140, 154, 165, 171, 180, 190, 198, 209, 210, 220, 228, 231, 252, 266, 285, 308, 315, 330, 342, 380, 385, 396, 399, 418, 420, 462, 487, 495, 532, 570, 627, 630, 660, 665, 684, 693, 770, 798, 836, 855, 924, 974, 990, 1045, 1140, 1155, 1197, 1254, 1260, 1330, 1386, 1461, 1463, 1540, 1596, 1710, 1881, 1948, 1980, 1995, 2090, 2310, 2394, 2435, 2508, 2660, 2772, 2922, 2926, 3135, 3409, 3420, 3465, 3762, 3990, 4180, 4383, 4389, 4620, 4788, 4870, 5357, 5844, 5852, 5985, 6270, 6818, 6930, 7305, 7315, 7524, 7980, 8766, 8778, 9253, 9405, 9740, 10227, 10714, 11970, 12540, 13167, 13636, 13860, 14610, 14630, 16071, 17045, 17532, 17556, 18506, 18810, 20454, 21428, 21915, 21945, 23940, 26334, 26785, 27759, 29220, 29260, 30681, 32142, 34090, 37012, 37499, 37620, 40908, 43830, 43890, 46265, 48213, 51135, 52668, 53570, 55518, 61362, 64284, 64771, 65835, 68180, 74998, 80355, 83277, 87660, 87780, 92530, 96426, 101783, 102270, 107140, 111036, 112497, 122724, 129542, 131670, 138795, 149996, 153405, 160710, 166554, 185060, 187495, 192852, 194313, 203566, 204540, 224994, 241065, 259084, 263340, 277590, 305349, 306810, 321420, 323855, 333108, 337491, 374990, 388626, 407132, 416385, 449988, 482130, 508915, 555180, 562485, 582939, 610698, 613620, 647710, 674982, 712481, 749980, 777252, 832770, 916047, 964260, 971565, 1017830, 1124970, 1165878, 1221396, 1295420, 1349964, 1424962, 1526745, 1665540, 1687455, 1832094, 1943130, 2035660, 2137443, 2249940, 2331756, 2849924, 2914695, 3053490, 3374910, 3562405, 3664188, 3886260, 4274886, 4580235, 5829390, 6106980, 6412329, 6749820, 7124810, 8549772, 9160470, 10687215, 11658780, 12824658, 14249620, 18320940, 21374430, 25649316, 32061645, 42748860, 64123290, 128246580]

約数ペア:

[(1, 128246580), (2, 64123290), (3, 42748860), (4, 32061645), (5, 25649316), (6, 21374430), (7, 18320940), (9, 14249620), (10, 12824658), (11, 11658780), (12, 10687215), (14, 9160470), (15, 8549772), (18, 7124810), (19, 6749820), (20, 6412329), (21, 6106980), (22, 5829390), (28, 4580235), (30, 4274886), (33, 3886260), (35, 3664188), (36, 3562405), (38, 3374910), (42, 3053490), (44, 2914695), (45, 2849924), (55, 2331756), (57, 2249940), (60, 2137443), (63, 2035660), (66, 1943130), (70, 1832094), (76, 1687455), (77, 1665540), (84, 1526745), (90, 1424962), (95, 1349964), (99, 1295420), (105, 1221396), (110, 1165878), (114, 1124970), (126, 1017830), (132, 971565), (133, 964260), (140, 916047), (154, 832770), (165, 777252), (171, 749980), (180, 712481), (190, 674982), (198, 647710), (209, 613620), (210, 610698), (220, 582939), (228, 562485), (231, 555180), (252, 508915), (266, 482130), (285, 449988), (308, 416385), (315, 407132), (330, 388626), (342, 374990), (380, 337491), (385, 333108), (396, 323855), (399, 321420), (418, 306810), (420, 305349), (462, 277590), (487, 263340), (495, 259084), (532, 241065), (570, 224994), (627, 204540), (630, 203566), (660, 194313), (665, 192852), (684, 187495), (693, 185060), (770, 166554), (798, 160710), (836, 153405), (855, 149996), (924, 138795), (974, 131670), (990, 129542), (1045, 122724), (1140, 112497), (1155, 111036), (1197, 107140), (1254, 102270), (1260, 101783), (1330, 96426), (1386, 92530), (1461, 87780), (1463, 87660), (1540, 83277), (1596, 80355), (1710, 74998), (1881, 68180), (1948, 65835), (1980, 64771), (1995, 64284), (2090, 61362), (2310, 55518), (2394, 53570), (2435, 52668), (2508, 51135), (2660, 48213), (2772, 46265), (2922, 43890), (2926, 43830), (3135, 40908), (3409, 37620), (3420, 37499), (3465, 37012), (3762, 34090), (3990, 32142), (4180, 30681), (4383, 29260), (4389, 29220), (4620, 27759), (4788, 26785), (4870, 26334), (5357, 23940), (5844, 21945), (5852, 21915), (5985, 21428), (6270, 20454), (6818, 18810), (6930, 18506), (7305, 17556), (7315, 17532), (7524, 17045), (7980, 16071), (8766, 14630), (8778, 14610), (9253, 13860), (9405, 13636), (9740, 13167), (10227, 12540), (10714, 11970)]